Слова на букву helm-inte (732) Dictionary of invertebrate zoology
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Слова на букву helm-inte (732)

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helminth
n. [Gr. helmins, worm] Any parasitic worm of vertebrates.
helminthiasis
n. [Gr. helmins, worm; -iasis, disease] A worm disease induced in or on a host.
helminthic
adj. [Gr. helmins, worm] Pertaining to worms.
Helminthology
n. [Gr. helmins, worm; logos, discourse] A branch of zoology dealing with the natural history of parasitic worms, especially flatworms and roundworms.
helocerous
adj. [Gr. helos, nail; keros, horn] Having a clavate antenna.
helotism
n. [Gr. Heilotes, slave class] Symbiosis in which one animal enslaves another forcing it to labour on its own behalf; see consortism.
helus
n.; pl. heli [Gr. helos, nail] (ARTHROPODA: Insecta) In scarabaeoid larvae, a coarse fixed spine located near the haptomerum.
hemal
adj. [Gr. haima, blood] Pertaining to blood.
hemapoiesis
see hematopoiesis.
hematacyte
see hemocyte.
hematal
see hemal.
hematocyte
См. hematacyte.
hematodocha
См. haematodocha.
hematogenic
См. hematogenous.
hematogenous
adj. [Gr. haima, blood; genos, birth] 1. Forming blood, hematopoietic. 2. Relating to anything produced from, derived from, or transported by the blood.
hematophagus
see hemophagus.
hematopoiesis
n. [Gr. haima, blood; poietes, maker] The formation of blood cells; also spelled haematopoiesis, haemopoiesis, hemopoiesis.
hemelytron
n.; pl. -tra [Gr. hemisys, half; elytron, sheath] (ARTHROPODA: Insecta) A fore wing in which only the basal portion is hardened; wing-covers; also spelled hemelytran, ...
hemerophilic
adj. [Gr. hemeros, cultivated; philos, loving] Having the ability to withstand culture and human interference with the environment; see hemerophobic.
hemerophobic
adj. [Gr. hemeros, cultivated; phobos, fear] Lacking the ability to withstand culture and human interference with the environment; see hemerophilic.
hemocoel
См. haemocoele.
hemocoelous viviparity
См. haemocoelous.
hemocyanin
n. [Gr. haima, blood; kyanos, dark blue] A blue oxygen carrying respiratory protein containing copper in the prosthetic group instead of iron; found in many invertebrate ...
hemocyte
n. [Gr. haima, blood; kytos, container] A mesodermal cell, sessile or circulating, in the hemocoel or hemolymph of insects and other invertebrates; see granular hemocyte. ...
hemocytoblast
see prohemocyte.
hemocytopoietic organs
see hemopoietic organs.
hemoglobin
n. [Gr. haima, blood; L. globos, sphere] A red oxygen respiratory protein with iron in the prosthetic group with molecular weights varying from 17,000 to 2,750,000, differing ...
hemolymph
n. [Gr. haima, blood; L. lympha, water] 1. (ARTHROPODA) Fluid within the hemocoel. 2. (NEMATA) The pseudocoelomic fluid.
hemolysis
n. [Gr. haima, blood; lyein, to dissolve] The breakdown or destruction of red blood corpuscles.
hemophagous
adj. [Gr. haima, blood; phagein, to eat] Ingesting blood.
hemopoietic
adj. [Gr. haima, blood; poietes, maker] Pertaining to any blood forming cell or organ.
hemopoietic organs
(ARTHROPODA: Insecta) Discrete encapsulated organs, reported in Hemiptera, Coleoptera, Diptera, Lepidoptera and Hymenoptera, functioning in the formation of blood cells; ...
hemozoin
n. [Gr. haima, blood; zoon, animal] A pigment found in a host produced by a malarial parasite from the hemoglobin of the host.
henidium
n. [Gr. dim. henos, one] (BRACHIOPODA) Deltidial plates that lose the line of fusion during growth.
Hensen gland
(MOLLUSCA: Cephalopoda) A gland found in the head near the eyes that synthesize leucocytes; white body.
hepatic
adj. [L. hepaticus, liver] Pertaining to liver; liver colored.
hepatic caecum
См. hepatic cecum.
hepatic cecum
pl. caeca/ceca Pouchlike diverticulum generally connected with the mesenteron in many invertebrates; see hepatopancreas.
hepatic cells
see nephrocytes.
hepatic groove
(ARTHROPODA: Crustacea) In Decapoda, a groove connecting cervical, postcervical and branchiocardiac grooves.
hepatic pouches
see caecum.
hepatic region
(ARTHROPODA: Crustacea) In Decapoda, an area contiguous with antennal, cardiac and ptergostomial regions.
hepatic spine
(ARTHROPODA: Crustacea) In Decapoda, located below and behind the lower branch of the cervical groove.
hepatopancreas
n. [Gr. hepar, liver; pan, all; kreas, flesh] A branched digestive gland of the cephalothorax of various invertebrates, functioning as both liver and pancreas.
herbivore
n. [L. herba, plant; vorare, to eat] Animals that feed on plants; herbivorous adj..
hereditary
adj. [L. hereditas, heirship] Biological traits transmitted from one generation to another.
heredity
n. [L. hereditas, heirship] The transmission of genes from parents to offspring, controlling biological traits.
hermaphrodite
n. [Gr. hermaphroditos, combining both sexes] An individual bearing recognizable male and female tissues and producing male and female gametes at some period of the life ...
hermaphroditic duct
(MOLLUSCA: Gastropoda) In Pulmonata, the duct that connects the ovotestes and carrefour area.
hermaphroditism
n. [Gr. hermaphroditos, combining both sexes] Possession of gonads of both sexes by a single individual; autocopulation.
hermatype corals
(CNIDARIA) Reef building species of corals. hermatypic a; see ahermatype corals.
hesmosis
see swarming.
heteractinal
adj. [Gr. heteros, different; aktis, ray] (PORIFERA) Spicules having a disc of six to eight rays in one plane and a single perpendicular ray.
heterauxesis
n. [Gr. heteros, different; auxesis, growth] Disproportionate growth of a structure in relation to the rest of the body; heterogonic or allometric growth; see bradyauxesis, ...
heteroacanthus armature
(PLATYHELMINTHES: Cestoda) Hooks arranged in semicircles from the internal surface to the external surface of the tentacles without chainettes. a. Atypica : differing ...
heteroallelic
adj. [Gr. heteros, different; allelon, reciprocal] Genes having mutations at different mutational sites (nonidentical alleles); see homoallelic.
heteroausecic coefficient
see allometric coefficient.
heteroblastic
adj. [Gr. heteros, different; blastos, bud] Similar organs arising from different germ layers in different species; see homoblastic.
heteroblastic change
Rapidly altered structures during transition from juvenile to adult.
heterobrachial
adj. [Gr. heteros, different; brachion, arm] Chromosome arms of unequal length.
heterocentric
adj. [Gr. heteros, different; kentron, midpoint] Dicentric chromosomes or chromatids whose centromeres are of unequal strength; frequently behave as monocentric chromosomes. ...
heterochelate
adj. [Gr. heteros, different; chele, claw] (ARTHROPODA: Crustacea) Having the chelae of left and right chelipeds varying in size and shape.
heterochromatin
n. [Gr. heteros, different; chroma, color] Non or poorly staining part of the chromosome inactive in heredity, as contrasted with euchromatin; heterchromatic adj..
heterochrome
adj. [Gr. heteros, different; chroma, color] Having different colors; see homochrome.
heterochromosome
n. [Gr. heteros, different; chroma, color; soma, body] 1. Any chromosome differing from the autosomes in size, shape or behavior. 2. A sex-chromosome; an allosome.
heterochronism
n. [Gr. heteros, different; chronos, time] Changes in the relative time of appearance and rate of development for characters already present in ancestors.
heteroclite
n. [Gr. heteros, differrent; clitos, hill] (MOLLUSCA: Bivalvia) A folded or twisted commissural plane.
heterocotylus
n. [Gr. hekaton, hundred; kotyle, a cup] (MOLLUSCA: Cephalopoda) A penislike process or arm utilized in spermatophore transfer to the mantle cavity of the female, in some ...
heterodactyl
adj. [Gr. heteros, different; daktylos, finger] (ARTHROPODA: Chelicerata) Having claws, apoteles or ungues differing from each other; heterodactyly n; see homodactyl.
heterodont
adj. [Gr. heteros, different; odous, tooth] Having a variety of tooth types.
heterodynamic
adj. [Gr. heteros, different; dynamis, power] Genes not simultaneously influencing the same developmental process.
heterodynamic life cycle
1. A life cycle in which there is a period of dormancy. 2. A life cycle that includes a rest period not caused by environmental conditions; see homodynamic life cycle. ...
heteroecious
См. heteroicous.
heterogamete
see anisogametes.
heterogametic
adj. [Gr. heteros, different; gamete, spouse] Pertains to the sexual form that gives rise to two different types of sexual gametes in meiosis; in xy and xo systems this is ...
heterogamy
n. [Gr. heteros, different; gamos, marriage] 1. Alternation of bisexual with parthenogenetic reproduction. 2. The preference of an individual to mate with an unlike ...
heterogeneous
adj. [Gr. heteros, different; genos, kind] Possessing different characteristics; see homogeneous.
heterogenesis
n. [Gr. heteros, different; genesis, descent] Form of reproduction that has sexual and asexual or parthenogenetic forms; alternation of generations; xenogenesis; see ...
heterogenetic
adj. [Gr. heteros, different; genesis, descent] Pertaining to meiotic chromosome pairing in hybrids when pairs are derived from different ancestors; see homogenetic, ...
heterogenic
adj. [Gr. heteros, different; genos, race] Containing more than one allele of a gene.
heterogomph
n. [Gr. heteros, different; gomphos, peg] (ANNELIDA) A compound seta with an asymmetrical joint between shaft and blade; see homogomph.
heterogonic coefficient
see allometric coefficient.
heterogonic life cycle
Life cycle involving alternation of parasitic and free-living generations; see homogonic life cycle.
heterogony
n. [Gr. heteros, different; gonos, seed] 1. Study of relative growth; see allometric growth. 2. Alternation of generations; see heterogamy. 3. Both males and females ...
heterogynous
adj. [Gr. heteros, different; gyne, woman] Having more than one type of female.
heteroicous
adj. [Gr. heteros, different; oikos, house] Parasitic upon two unlike hosts, either by successive generations or in a single life history; see metoecious parasite, ...
heteroideus
adj. [Gr. heteros, different; idios, personal] (ARTHROPODA: Insecta) Pertaining to larvae with a mesoseries of crochets bearing a well developed median series of hooks ...
heterology
n. [Gr. heteros, different; logos, discourse] The lack of similarity between structures due to different components or of a different derivation; see anology, homology.
heterolysis
n. [Gr. heteros, different; lysis, loosen] Disintegration of a cell or tissue by an external agent, either by lysins or enzymes; see autolysis.
heteromedusoid
adj. [Gr. heteros, different; Medousa, Medusa] (CNIDARIA: Hydrozoa) In Hydroida, a sessile gonophore of a styloid type.
heteromerous
adj. [Gr. heteros, different; meros, part] 1. Nonuniformity in number of parts between organisms of the same species, or organs on the same individual; see homeomerous. 2. ...
Heterometabola
n. [Gr. heteros, different; metabole, change] In some classifications the division of Exopterygota excluding Hemimetabola.
heterometabolous metamorphosis
adj. [Gr. heteros, different; metabole, change] (ARTHROPODA: Insecta) Developing by incomplete or direct metamorphosis where there is no pupal stage; the immature resemble ...
heteromorphic
adj. [Gr. heteros, different; morphe, form] 1. Deviating from the normal form. 2. At different life stages progressing to another form; heteromorphous. 3. Homologous ...
heteromorphosis
n.; pl. -ses [Gr. heteros, different; morphosis, forming] The replacement of an organ or part in an abnormal position, especially one lost or removed; homoeosis; see ...
heteromorphous
adj. [Gr. heteros, different; morphe, form] 1. Heteromorphic. 2. (ARTHROPODA: Insecta) Successive instars with differing forms and marked differences in development; see ...
heteromorphous armature
(PLATYHELMINTHES: Cestoda) Hooks that change radically in size and shape from internal to external surface of the tentacle.
heteromyarian
adj. [Gr. heteros, different; mys, muscle] (MOLLUSCA: Bivalvia) Having adductor muscles unequally developed; see homomyarian.
heteroneme
n. [Gr. heteros, different; nema, thread] (CNIDARIA) A nematocyst with an open tip with a definite hampe.
heteronereid
n. [Gr. heteros, different; Neris, family Nerididae] (ANNELIDA: Polychaeta) A specialized, free swimming, sexually dimorphic marine worm that gives off sex products into ...
heteronereis
see epitoky.
heteronomous
adj. [Gr. heteros, different; nomos, usage] Having unlike segments; differing in development or function.
heteronomous hyperparasitoid
(ARTHROPODA: Insecta) In Hymenoptera, a species in Adelinidae in which the female develops as a hyperparasitoid of one host, while the male develops as a normal parasitoid on ...
heteronomous parasitoid
(ARTHROPODA: Insecta) In Hymenoptera species Aphelinidae, a parasitoid exhibiting heteronomy.
heteronomous segmentation
Relative dissimilarity and specialization of certain body segments; see homonomous.
heteronychia
n. [Gr. heteros, different; onyx, claw] (ARTHROPODA: Chelicerata) One or more legs with a different number of claws than the other legs in a particular mite stase.
heteropalpi
n. pl. [Gr. heteros, different; L. palpus, feeler] (ARTHROPODA: Insecta) Palpi that differ in number of segments between male and female.
heteroparthenogenesis
n. [Gr. heteros, different; parthenos, virgin; genesis, beginning] Cyclic parthenogenesis.
heteroploid
adj. [Gr. heteros, different; aploos, onefold; eidos, form] Designating a chromosome number deviating from the somatic number characteristic of the species; chromosome ...
heteropod
adj. [Gr. heteros, different; pous, foot] (MOLLUSCA: Gastropoda) Pertains to pelagic snails with a compressed foot adapted for swimming.
heteropycnosis
См. heteropyknosis.
heteropyknosis
n. [Gr. heteros, different; pyknos, dense] Certain chromosomes or regions of chromosomes that are out of phase in their coiling cycle and staining properties; heteropycnotic, ...
heterorhabdic
adj. [Gr. heteros, different; rhabdos, rod] (MOLLUSCA: Bivalvia) Pertaining to plicate lamellibranchiate gill in which the filament in the bottom of the depression between ...
heterosis
n. [Gr. heteros, different; -sis, process of] Selective superiority of heterozygotes; hybrid vigor.
heterosomal
adj. [Gr. heteros, different; soma, body] Chromosomal structural changes involving two or more nonhomologous chromosomes.
heterosome
n. [Gr. heteros, different; soma, body] Sex chromosome; a heterochromosome.
heterostrophic
adj. [Gr. heteros, different; strophe, turn] (MOLLUSCA: Gastropoda) Pertaining to a protoconch when the whorls appear to be coiled in the opposite direction to those of the ...
heterosyllid
see epitoky.
heterotaxis
n. [Gr. heteros, different; taxis, arrangement] Abnormal arrangement of parts or organs.
heterotopy
n. [Gr. heteros, different; topos, place] Phyletic change in the location from which an organ differentiates in ontogeny; heterotropic adj..
heterotrichous anisorhiza
(CNIDARIA) A nematocyst open at the tip with a slightly swollen base, with spines on the whole thread, but those at the base are larger.
heterotroph
n. [Gr. heteros, different; trophe, nourishment] An organism requiring organic compounds among the food substances as its source of carbon; organotroph; sometimes used as ...
heterotrophic parasitoid
(ARTHROPODA: Insecta) In Hymenoptera, a species in Adelinidae in which the male is a parasitoid of a different host species than the female; see diaphagous parasitoid, ...
heterotropic
adj. [Gr. heteros, different; tropos, turn] Sex chromosome that does not have an exactly homologous partner (xx-xy or xx-xo).
heterotypic
adj. [Gr. heteros, different; typos, shape] Pertaining to the first meiotic division (meiosis) in which the bivalent chromosomes separate and are reduced in number; see ...
heteroxenous
adj. [Gr. heteros, different; xenos, host] Having more than one host during a parasite\'s life cycle.
heterozooid
n. [Gr. heteros, different; zoon, animal] (BRYOZOA: Gymnolaemata) A specialized zooid that forms stolons, attachment discs, rootlike structures and other such vegetative ...
heterozygosity
n. [Gr. heteros, different; zygon, yolk] Condition of bearing differing genetic alleles at the same loci of the two parental chromosomes; see homozygosity.
heterozygous
adj. [Gr. heteros, different; zygon, yolk] Pertaining to an individual with different genetic alleles at the corresponding loci of the two parental chromosomes; heterozygote ...
hexacanth
adj. [Gr. hex, six; akantha, thorn] (PLATYHELMINTHES: Cestoda) A six-hooked mature embryo, or larva, hatching from the egg; an onchosphere.
hexachaetous
adj. [Gr. hex, six; chaite, hair] (ARTHROPODA: Insecta) In Diptera, describing the bundle of 6 needlelike mouthparts (stylets).
hexactinal
adj. [Gr. hex, six; aktis, ray] (PORIFERA) Referring to a 6 rayed spicule occurring in only the class Hexactinellida.
hexagonal
adj. [Gr. hex, six; gonia, corner, angle] Having 6 sides and 6 angles.
hexamerous
adj. [Gr. hex, six; meros, part] Having 6 radially arranged parts or multiples of 6.
hexanephric
adj. [Gr. hex, six; nephros, kidney] Having 6 kidneys, or structures utilized as kidneys.
hexapod
adj. [Gr. hex, six; pous, foot] 1. Having 3 pairs of legs. 2. (ARTHROPODA: Chelicerata) In larval mites, having or using 3 pairs of legs. hexapody n; see octopod.
Hexapoda
see Insecta.
hexaradiate
adj. [Gr. hex, six; L. radius, rod] Projecting outward in 6 directions.
hexaster
n. [Gr. hex, six; aster, star] (PORIFERA) A type of hexatine with branching rays producing star-shaped figures.
hexicology
see ecology.
hexose
n. [Gr. hex, six; -ose, indicates carbohydrate] Monosaccharides having 6 carbon atoms, including glucose and fructose.
hexuronic acid
Vitamin C.
hiatus
n.; pl. hiatuses, hiatus [L. hiare, to gape] 1. An opening, gap or foramen. 2. An opening in an egg shell. 3. (NEMATA) see opercular plug.
hibernaculum
n.; pl. -la [L. hibernaculum, winter residence] 1. A case or covering. 2. (BRYOZOA) Winter bud in a few freshwater forms that survive the winter and form a new colony in ...
hibernal
adj. [L. hibernus, winter] Occurring in winter.
hibernation
n. [L. hibernus, winter] A form of suspended animation or inactivity in organisms during unfavorable winter conditions; see aestivation.
hibernestivation
n. [L. hibernus, winter; aestivus, of summer] A period of rest or inactivity during unfavorable conditions extending through both hot and cool seasons, especially in the ...
Hicks' bottles
(ARTHROPODA: Insecta) Campaniform sensillae of bees and ants located in the antennae in the shape of depressions or pits, and thought to be auditory in function; sensilla ...
Hicks' papillae
(ARTHROPODA: Insecta) In Diptera, campaniform sensilla on the haltere base sensitive to vertical forces during flight.
hierarchy
n. [Gr. hieros, holy; archon, leader] 1. In classification, the system of ranks that indicates the categorical level of various taxa. 2. A social ranking system in a ...
hill
see formicary.
hind angle
see anal angle.
hind head
(ARTHROPODA: Insecta) In Mallophaga, behind the mandibles and antennae.
hind-gut
n. [A.S. hindan; gut] The posterior ectodermal portion of the alimentary tract (canal) between the mid-gut and the anus; see proctodeum.
hindunguis
n. [A.S. hindan; L. unguis, claw] (ARTHROPODA: Insecta) In mosquitoes, the posterior unguis of one of the hindlegs.
hinge
n. [ME. heng, hinge] 1. The point of articulation of a moveable joint. 2. (ARTHROPODA: Insecta) The maxilla, cardo; in mosquitoes, between the upper and lower vaginal ...
hinge ligament
Elastic substance interlocking the valves of a bivalve shell.
hinge line
1. (ARTHROPODA: Crustacea) The middorsal line of junction between two valves of the carapace permitting movement between them. 2. (BRACHIOPODA/MOLLUSCA: Bivalvia) The ...
hinge nodes
(ARTHROPODA: Crustacea) Localized thickening of the right valve hinge.
hinge plate
see cardinal platform.
hinge selvage
ARTHROPODA: Crustacea) In Ostracoda, a single ridge extending along the free margin of the carapace, when valves are closed, fitting into the selvage groove of the opposite ...
hinge teeth
1. (BRACHIOPODA) The tooth part of the articulating device on the ventral valve in the form of small projections along the free edge of the palintrope. 2. (MOLLUSCA: ...
hingement
n. [ME. heng, hinge; L. mentum, tool] (ARTHROPODA: Crustacea) A collective term for the structures comprising articulations of ostracods.
hirsute
adj. [L. hirsutus, rough, shaggy] Bearing coarse hairs or hair-like processes; shaggy.
hirudinin
n. [L. hirudo, leech] (ANNELIDA: Hirudinoidea) An anticoagulant secretion of leeches.
hispid
adj. [L. hispidus, hairy, prickly] Covered with rough hairs or minute spines.
hispidulous
adj. [L. dim. hispidus, hairy, prickly] Minutely hispid.
histoblast
n. [Gr. histos, tissue; blastos, bud] The imaginal disc.
histochemistry
n. [Gr. histos, tissue; chemeia, transmutation] The microscopic study of the chemical characteristics of tissues.
histogenesis
n. [Gr. histos, tissue; genesis, beginning] 1. The formation and development of tissues from the undifferentiated cells of the germ layers of the embryo. 2. (ARTHROPODA: ...
histohaematin
see cytochrome.
histohematin
См. histohaematin.
histology
n. [Gr. histos, tissue; logos, discourse] The microscopic study of the detailed structure of the organs and tissues of organisms.
histolysis
n. [Gr. histos, tissue; lyein, to loosen] 1. Breakdown of cells and tissues. 2. (ARTHROPODA: Insecta) The breakdown of larval tissues during the quiescent late larval or ...
histones
n. [Gr. histos, tissue; -one, ketone] The basic proteins associated with DNA; the major general structural proteins of chromatin, however, they can also act as depressors ...
histopathology
n. [Gr. histos, tissue; pathos, suffering; logos, discourse] The study of abnormal microscopic changes in the tissue structure of an organism.
histozoic
adj. [Gr. histos, tissue; zoon, animal] Dwelling within the tissues of a host.
histrichoglossate
adj. [Gr. hystrix, porcupine; glossa, tongue] (MOLLUSCA: Gastropoda) Referring to the radula, consisting of numerous types or categories of teeth: a median central tooth ...
hive
n. [A.S. hyf,] (ARTHROPODA: Insecta) A man-made nest for honeybees.
hive aura
См. hive odor.
hive odor
see nest odor.
holandric
adj. [Gr. holos, whole; aner, male] 1. Describing sexdeterminate genes that are manifest only in the male sex. 2. (ANNELIDA: Oligochaeta) Classical term that originally ...
holandry
n. [Gr. holos, whole; aner, male] 1. The condition of bearing the normal number of testes. 2. (ANNELIDA: Oligochaeta) Earthworms with two pair of testes, one pair in segment ...
holarctic region
A zoogeographical region encompassing the palaeartic and nearctic regions.
holaspis larva
(ARTHROPODA: Trilobita) Final larval stage in which the general adult structures are present and with succeeding molts minor changes and increase of size; see protaspis and ...
holidic
adj. [Gr. holos, whole; -idios, distinct] Said of a medium that has exactly known chemical constituents other than purified inert materials before compounding; a defined ...
holism
n. [Gr. holos, whole; -ismos, denoting condition] 1. The philosophic principle that the determining factors in nature, especially evolution, are wholes, such as organisms and ...
holobenthic
adj. [Gr. holos, whole; benthos, sea-bottom] Refers to animals living their whole life on or near sea-bottom.
holoblastic division
The type of cleavage in which the entire egg cell is divided.
holochroal
adj. [Gr. holos, whole; chroa, body surface] (ARTHROPODA) Refers to a compound eye with narrow facets and polygonal lenses, as in most crustacean and insect eyes; see ...
holocoen
n. [Gr. holos, whole; koinos, common] The whole environment, the biocoen and abiocoen; the ecosystem.
holocrine
adj. [Gr. holos, whole; krinein, to separate] The disintegration of a gland in order to release secretions; see merocrine.
holocyclic
adj. [Gr. holos, whole; kyklos, circle] Pertaining to alternation of generations; see anholocyclic.
holoenzyme
n. [Gr. holos, whole; en, in; zyme, yeast] A complete functional enzyme consisting of an apoenzyme and a coenzyme taken together; see apoenzyme.
hologamy
n. [Gr. holos, whole; gamos, marriage] Condition where gametes and somatic cells are similar; macrogamy.
holognathous
adj. [Gr. holos, whole; gnathos, jaw] (MOLLUSCA: Gastropoda) Possessing a jaw of one piece construction, as certain terrestrial forms.
hologynic
adj. [Gr. holos, whole; gyne, woman] A term describing sex-limited characters which are manifest only in the female sex; see holandric.
hologynous
adj. [Gr. holos, whole; gyne, woman] (ANNELIDA) A classical term pertaining to ovaries restricted to segments xii and xiii or a homeotic equivalent.
hologyny
n. [Gr. holos, whole; gyne, woman] The state or condition of being hologynous.
holoic
see meganephridia.
Holometabola
n. [Gr. holos, whole; metabole, change] Dominant superorder of insects, distributed worldwide, that includes the vast majority of insect families, genera and species with ...
holometabolous metamorphosis
(ARTHROPODA: Insecta) Metamorphosis with a larva, pupa and adult; complete metamorphosis; see paurometabolous.
holomyarian
adj. [Gr. holos, whole; mys, muscle] (NEMATA) Describing the longitudinal muscle cells indistinguishable as individual cells so as to appear like a single band as viewed in ...
holonephridia
see meganephridia.
holoparalectotype
n. [Gr. holos, whole; para, near; lektos, choose; typos, type] Any specimen from the original material that is later established as a paratype, it must be of the same sex ...
holoparasite
n. [Gr. holos, whole; parasitos, parasite] An obligate parasite.
holophyletic
adj. [Gr. holos, whole; phyle, tribe] Denoting a monophyletic group that contains all of the descendants of the most recent common ancestor of that group; see monophyletic. ...
holophyly
see holophyletic.
holopneustic
adj. [Gr. holos, whole; pneustikos, of breathing] Having 10 functional spiracles; see polypneustic.
holoptic
adj. [Gr. holos, whole; optikos, eye] (ARTHROPODA: Insecta) Having eyes dorsally contiguous along the midline; see dichoptic.
holosericeous
adj. [Gr. holos, whole; serikos, silken] Covered with minute silky or shiny hair-like structures.
holostomatous
adj. [Gr. holos, whole; stoma, mouth] (MOLLUSCA: Gastropoda) Having the mouth of the shell rounded or entire, uninterrupted by siphonal canal, notch, or by other ...
holotaxy
n. [Gr. holos, whole; taxis, arrangement] The presence of all the organs or structures typically present in a particular organism.
holothuriids
n., n. pl. [Gr. holothurion, seacucumber] Soft bodied, bottom-dwelling echinoderms, living mostly in sand and mud where they lie buried, with their tentacles sticking up into ...
Holothuroidea
См. holothuriids.
holotrichous isorhiza
(CNIDARIA: Hydrozoa) A nematocyst with tubes spiney throughout; see atrichous isorhiza, basitrichous isorhiza.
holotrichy
n. [Gr. holos, whole; trichos, hair] Pertaining to invertebrates possessing all of the setae normally present in their natural group; see hypertrichy.
holotype
n. [Gr. holos, whole; typos, type] The single specimen designated or indicated as the type specimen by the original author at the time of original publication of a species.
holozoic
adj. [Gr. holos, whole; zoon, animal] Obtaining organic food materials by active ingestion of organisms or particles.
holozygote
n. [Gr. holos, whole; zygos, yolked] Zygote.
homelytra
n. [Gr. homos, same; elytron, cover] Elytra similar or equal to each other.
homeoacanthous armature
(PLATYHELMINTHES: Cestoda) Homeomorphous hooks in spirals or in quincunxes on the tentacles.
homeochilidium
n. [Gr. homoios, like; dim. cheilos, lip] (BRACHIOPODA) An external triangular plate that closes most or only the apical part of the notothyrium.
homeochronous
adj. [Gr. homoios, like; chronos, time] Variation occurring at the same age in offspring as in the parent.
homeodeltidium
n. [Gr. homoios, like; 4th letter, delta; dim. thyrion, door] (BRACHIOPODA) A convex triangular plate closing most or only the apical part of the delthyrium.
homeomerous
adj. [Gr. homoios, like; meros, part] (ARTHROPODA) Pertaining to having the same number of tarsal segments on all legs; isomerous; see heteromerous.
homeomorph
n. [Gr. homoios, like; morphe, form] Two unrelated taxa that are superficially alike.
homeomorphous armature
(PLATYHELMINTHES: Cestoda) Hooks of same shape and size in a row.
homeosis
see homoeosis.
homeostasis
n. [Gr. homoios, like; stasis, a placing] Tendency of a system to maintain a dynamic equilibrium; when disturbed the animal\'s own regulatory mechanisms will restore ...
homeostrophic
adj. [Gr. homoios, like; strophe, turn] (MOLLUSCA: Gastropoda) Having whorls of the teloconch and the protoconch coiled in the same direction.
homeotely
n. [Gr. homoios, like; telos, end, finish] Evolution from homologous parts which have no resemblance to the original structure; homeotic mutant.
homeotype
n. [Gr. homoios, like; typos, type] Taxonomic type for a specimen that has been compared with the holotype by another author and determined to be conspecific with it.
homeotypic
adj. [Gr. homoios, like; typos, type] Referring to the second meiotic division.
homing ability
The ability permitting return to the original point of departure.
homo
- for those not found here, see homeo-.
homoallelic
adj. [Gr. homos, same; allelon, reciprocal] Genes having mutations at the same site; homoallelic pairs do not yield recombinants; see heteroallelic.
homoblastic
adj. [Gr. homos, same; blastos, bud] Similar organs arising from similar germ layers in different species; having direct embryonic development; see heteroblastic.
homochrome
adj. [Gr. homos, same; chroma, color] Having one color or hue; see heterochrome.
homochromy
n. [Gr. homos, same; chroma, color] 1. Of the same or uniform color. 2. (ARTHROPODA: Insecta) A phenomenon in which certain insects tend to have a general resemblance to the ...
homodactyl
adj. [Gr. homos, same; daktylos, finger] (ARTHROPODA) Pertaining to a claw similar in shape to the lateral claws (ungues); see heterodactyl.
homodont
see isodont.
homodynamic
adj. [Gr. homos, same; dynamis, power] Pertaining to different genes simultaneously influencing the same developmental process; opposed to heterodynamic.
homodynamic life cycle
1. A life cycle in which there is continuous development; not interrupted by a diapause. 2. A life cycle in which dormancy can only be caused by adverse environmental ...
homodynamous
adj. [Gr. homos, same; dynamis, power] Direct development without a resting stage.
homoechronous
see homeochronous.
homoecious
adj. [Gr. homos, same; oikos, home] Denoting the utilization of the same host during the entire life cycle.
homoeochilidium
see homeochilidium.
homoeodeltidium
see homeodeltidium.
homoeomerous
see homeomerous.
homoeosis
n. [Gr. homoios, like; -osis, formation] The replacement of an appendage with another part, by modification or regeneration; metamorphosis; homoeotic adj..
homoeotype
n. [Gr. homoios, like; typos, type] Specimen accepted to be identical with the holotype, lectotype, paratypes, or syntypes of its species.
homoesis
n. [Gr. homoios, like] Presence of an organ, or pairs of organs, or a series of organs, in a segment or series of segments, other than those in which normally found.
homogametic
adj. [Gr. homos, same; gamete, wife] Pertaining to sexual form that gives rise to the same type of sexual gamete in meiosis; in xx-xy and xx-xo systems usually found in the ...
homogamy
n. [Gr. homos, same; gamos, marriage] The preference of a mating individual for another with similar phenotype or genotype; see heterogamy.
homogeneous
adj. [Gr. homos, same; genos, race] Of the same kind or nature; see heterogeneous.
homogenetic
adj. [Gr. homos, same; genesis, beginning] Pertaining to meiotic chromosome pairing in hybrids when pairs are derived from the same ancestor; see heterogenetic.
homogenic
adj. [Gr. homos, same; genos, race] Having only one allele of a gene or gene pair.
homogenous
adj. [Gr. homos, same; genos, race] Having a resemblance in structure due to a common progenitor.
homogeny
n. [Gr. homos, same; genos, race] With analogous parts or organs due to descent from the same ancestral type; homology; see homoplasy.
homogomph
n. [Gr. homos, same; gomphos, peg] (ANNELIDA) A compound seta having a symmetrical joint between shaft and blade; see heterogomph.
homogonic life cycle
Life cycle in which all generations are free-living or all are parasitic; there is no (or little) alternation of the two; see hetergonic life cycle.

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