Слова на букву amph-auxo (732) Dictionary of invertebrate zoology
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Слова на букву amph-auxo (732)

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articular pan
A cup or dish-like impression into which an articulation is fitted; frogga.
articular ridge
(ARTHROPODA: Crustacea) In barnacles, a linear elevation on the scutum or tergum bordering the articular furrow and together forming an articulation between the two ...
articular sclerite
(ARTHROPODA: Insecta) A sclerite between an insect body and its appendage.
n. [L. articulare, to divide] The pre-tarsus.
n. [L. articulus, joint] 1. (BRACHIOPODA) A class of the Phylum Brachiopoda, having the valves articulated by teeth on the ventral (pedicle) valve and sockets on the dorsal ...
adj. [L. articulare, to divide] Jointed; formed of segments; connected by a joint.
articulate fascia
A band of contiguous spots.
articulated apex
see clasp filament.
n. [L. articulare, to divide] A movable point of contact between two sclerotic parts of a structure.
n. [L. ars, art; facere, to make] An appearance, or structure, produced by preparation of material that was not present in the original material before the manipulation.
artificial classification
A classification based on convenient and conspicuous diagnostic characters, ignoring characters indicating relationship; often a classification based on a single character ...
См. ascaridine.
n. [Gr. askaris, an intestinal worm] (NEMATA) A protein in the sperm.
ascarylic acid
Material making up the refringent bodies or crystalloids in the oocytes of nematodes, that presumably form the vitelline membrane of the egg.
См. aschelminths.
n. pl. [Gr. askos, bag; helmins, worm] A taxon (phylum) of the animal kingdom, when recognized, that includes the (classes) Rotifera, Gastrotricha, Kinorhyncha or ...
n. [Gr. askos, bag] (PORIFERA) 1. A simple sponge with unfolded pinacoderm and choanoderm. 2. Sometimes used to describe the small, simple, most primitive sponge ...
asconoid grade
(PORIFERA) A grade of construction in which the choanocytes line thin, short tubes; see syconoid grade, leuconoid grade or type.
n. [Gr. askos, bag; poros, channel] (BRYOZOA: Gymnolaemata) In some Cheilostomata, a small opening in the frontal wall connecting the ascus to the external environment. ...
n.; pl. asci [Gr. askos, bag] (BRYOZOA: Gymnolaemata) In ascophoran cheilostomates, the exterior-walled, flexiblefloored, sac beneath the frontal shield of an autozooid; ...
ascus sac
(MOLLUSCA: Gastropoda) In Sacoglossa, a storage area for the holder of outgrown teeth usually retained in a spiral or jumbled heap in the pharynx; ventral sac.
adj. [Gr. asemos, without mark] Pertaining to being without markings.
adj. [Gr. an, without; L. septum, partition] Pertaining to being without a septa.
adj. [Gr. an, without; sepsis, decay] Refers to being free of microorganisms, especially those causing decay, putrefaction, or poisoning.
aseptic culture
A maintained population of organisms containing a single species and free of contamination by all other organisms.
adj. [Gr. an, without; L. seta, bristle] (ANNELIDA: Oligochaeta) Pertaining to being without setae; as in the peristomium and pygomere of earthworms.
adj. [Gr. an, without; sexus, sex] Not related to sex.
asexual reproduction
Any method of reproduction not involving fertilization, as that by fission, fragmentation, spore production, budding, vegetative reproduction, and gemmule formation. ...
adj. [Gr. an, without; siphon, tube] Lacking a siphon.
n. [L. aspicere, to look at] The general appearance, direction or view with respect to seasons, species or populations, an object or individual.
n. [L. aspicere, to look at] Seasonal succession of ecological phenomena.
adj. [L. asperare, to roughen] Referring to having a rough and uneven surface.
n.; pl. -ties [L. asperare, to roughen] 1. Roughness of surface. 2. (ARTHROPODA: Insecta) Spinelike structures arranged in rows or confined to specific areas; sculpturings or ...
adj. [L. dim. asper, rough] (MOLLUSCA) Used to denote very distinct elevated dots, more uneven than scabrous; rough to the touch.
adj. [L. dim. asper, rough] Slightly rough.
n. [Gr. an, without; sphyzein, pulse, respiration] Suffocation; suspended animation or apparent death resulting from a deficiency of oxygen. asphyxial adj..
n. [Gr. an, without; sphyzein, pulse, respiratrion; L. -tion, denotes act] Act of causing axphysia; suffocation.
n. [Gr. aspidion, a little shield] A drug used for the expulsion of tapeworms obtained from male Dryopteris filix-mas ferns from which it is extracted as oleoresin of aspidium.
n. [Gr. aspis, shield; soma, body] (ARTHROPODA: Chelicerata) In Acari, the dorsal region bordered laterally by the abjugal furrow that may be indistinct or incomplete, ...
adj. [Gr. an, without; splanchnon, entrail] Pertaining to the lack of an alimentary canal.
adj. [Gr. an, without; spora, seed; genes, producing] Pertaining to not producing or bearing spores. asporous adj..
n. [L. assimulare, to bring together] A collection of organisms, or particular things.
n.; pl. -lies [L. assimulare, to bring together] An assemblage of organisms; the smallest community recognized in ecology.
n. [L. ad, near; similis, like] The basic nature of living matter to convert other substances into its own components; see genetic assimilation.
n. [L. ad, near; sociare, to join] 1. A group assemblage of organisms in a specific geological area with one or two dominant species. 2. A climax plant community dominated ...
association neuron
An internuncial neuron, that connects sensory and motor neurons, or other association neurons of the central nervous system; a connector neuron.
n.pl [L. ad, near; sociare, to join] 1. A transitory or intermediate stage in the development of an association. 2. A developmental unit of a consocies.
n. [L. ad, near; sors, lot] 1. To distribute or classify. 2. The normal separation of genes at meiosis.
adj. [L. assurgens, to arise] Curving upward; ascending.
См. astacin.
n. [L. astacus, lobster] A carotenoid red pigment of some invertebrates.
n. [L. astacus, lobster; xanthos, yellow] (ARTHROPODA) A carotenoid biochrome of certain ingested vegetation found in certain insects and marine crustaceans.
adj. [Gr. an, without; stege, roof] (ARTHROPODA: Chelicerata) Referring to mites when the prodorsal sclerite does not project over the chelicerae; see stegasimous.
adj. [Gr. an, without; stele, pillar; kyttaros, cell of a honeycomb] (ARTHROPODA: Insecta) Pertaining to nests, especially of social wasps, in which the brood comb is ...
n. [Gr. aster, star] 1. Star-shaped figures that develop during mitosis. 2. (PORIFERA) A type of microsclere with several rays originating from the same center; see ...
adj. [Gr. aster, star; forma, shape] Of or pertaining to starlike or star-shaped.
adj. [Gr. aster, star; eidos, form] 1. Refers to starlike or resembling a star. 2. (ECHINODERMATA) A stellate echinoderm of the subclass Asteroidea.
n. [Gr. aster, star; eidos, form] A subclass of Somasteroidea of the phylum Echinodermata, containing the stellate sea stars and star fish; characterized by having ...
n. [Gr. asthenes, feeble] Muscle weakness; debility.
n. [Gr. asthenes, feeble; biosis, manner of life] (ARTHROPODA: Insecta) Hibernation or aestivation in certain generations of insects induced by non-elimination of uremic ...
adj. [Gr. an, without; stichos, row] Not arranged in a row or rows.
adj. [Gr. an, without; stigma, mark] Lacking stigmata; without a spiracle or breathing pore.
astogenetic differences
(BRYOZOA) Differences in the morphology of an asexual generation of zooids, and thereby restricted to zones of astogenetic change in the colony.
n. [Gr. asty, town; genos, descent] (BRYOZOA) The development of a colony through a sequence of asexual generations of zooids with any extrazooidal parts.
adj. [Gr. a, without; stoma, mouth] 1. Lacking a mouth. 2. (ANNELIDA: Oligochaeta) In earthworms, a closed nephridium, without a nephrostome. 3. (NEMATA) Referring to a ...
n. [Gr. astragalos, vertebra] (MOLLUSCA: Gastropoda) The step-sided, rounded elevations of a shell, that extend spirally around the whorls giving added strength.
astral ray
1. A ray seen in the cytoplasm that radiates from each centriole to the asters during cell division, thus forming the spindle. 2. A polar ray.
astral sphere
see astrosphere.
see centrosome.
n. [Gr. aster, star; kytos, container] 1. A starshaped neuroglia cell. 2. Any star-shaped cell, especially in stroma tissues.
n. pl. [Gr. aster, star; rhiza, root] (PORIFERA) Starlike depressions on the surface of the calcareous skeleton.
n. [Gr. aster, star; sphaira, ball] The central mass of an aster lacking rays.
n. [Gr. aster, star; taxis, arrangement] The orientation of certain organisms sensitive to polarized skylight, i.e., bees, ants and spiders.
adj. [Gr. asymmetros, without symmetry] Not symmetrical; not alike on both sides of an axis; bilaterally unequal.
n. [Gr. asymmetros, without symmetry] Lack of symmetry; unlikeness in form or development.
adj. [Gr. a, without; symptoma, a sign of disease] Lacking subjective evidence of a disease.
adj. [Gr. a, without; synapsis, union] Pertaining to the complete failure or incomplete pairing of chromosomes during the first meiotic division. asynapsis n.
adj. [Gr. a, without; syn, together; chronos, time] Not simultaneous; not occurring at the same time.
n. [Gr. ataktos, not arranged; trichos, hair] Chaetotaxy in which all setae are not describable in distinct patterns and arrangements; see primordiotrichy.
n. [L. atavus, ancestor] Recurrence of an ancestral character, after an interval of generations; atavistic adj..
n. [Gr. a, without; taxis, arrangement] Lacking muscle coordination.
n. [Gr. ateles, incompletedness] Incomplete or imperfect development.
adj. [Gr. a, without; theke, case] (ANNELIDA) Without spermathecae.
adj. [Gr. a, without; theke, case] 1. Lacking a theca. 2. (CNIDARIA: Hydrozoa) In Hydroids, lacking an investing cup or sheath.
see aristate.
n. [Gr. a, without; thermos, hot; biosis, manner of life] 1. Dormancy induced by low temperatures in relation to an organism. 2. The process of waste elimination during a ...
n. [Gr. athroos, collected; kytos, container] A sessile type of coelomocyte, phagocytic in function.
n. [Gr. athroos, collected; kytos, container] The ability of cells to absorb and retain particles in suspension.
n. [Gr. atmos, vapor; sphaira, ball] 1. The outer circle of an ocellate spot. 2. The envelope of air around earth that supports life.
n. [Gr. a, without; tokos, birth] (ANNELIDA: Polychaeta) The anterior sexless portion of certain marine worms. atokous a; see epitoke.
n. [Mal. atoll] A circular coral reef surrounding a central lagoon.
n. [L. atomus, a small particle] 1. Any extremely small particle, dot or point. 2. An elementary particle which enters into a chemical reaction.
adenosine triphosphate A major energy contributor in biokinetic systems that upon hydrolysis yields adenosine diphosphate (ADP)
adj. [Gr. a, without; trachia, windpipe] Without tracheae, or visible constriction between head and prothorax.
adj. [Gr. atraktos, spindle; eidos, form] Pertaining to spindle-shaped; fusiform.
adj. [L. atrium, vestibule] 1. Of or pertaining to an atrium. 2. (ANNELIDA) Referring to glandular tissue associated with a cleft or coelomic invagination containing ...
atrial bag
(BRYOZOA) That part of a polypidian vesicle attached to the frontal wall of a developing zooid, from which the tentacle sheath is formed.
atrial cavity
In procordates, a cavity located between the pharynx and the body wall.
atrial cornua
(ANNELIDA: Hirudinoidea) Horns or hornlike prolongations of the atrium.
atrial gland
(ANNELIDA) Prostates without stalks.
atrial orifice
(ARTHROPODA: Insecta) The exterior opening of the spiracular atrium.
atrial sac
(ANNELIDA: Oligochaeta) In primitive moniligastrid earthworms, the spermathecal diverticulum.
n. [Gr. a, without; trichos, hair] The absence of setae due to evolutionary regession.
adj. [Gr. a, without; trichos, hair] 1. Lacking flagella or cilia. 2. (CNIDARIA) Lacking spines or barbs, i.e., isorhizas, etc.
atrichous isorhiza
(CNIDARIA: Hydrozoa) A small nematocyst with a smooth tubule; see holotrichous isorhiza, basitrichous isorhiza.
atriobursal orifice
(ARTHROPODA: Chelicerata) The opening of the seminal receptacle of female spiders.
n.; pl. atria [L. atrium, vestibule] 1. A cavity, division, entrance or passageway of various invertebrates. 2. (ANNELIDA) a. A diverticulum of the spermatheca; a tubular ...
atrium oris
(ARTHROPODA: Crustacea) The preoral cavity.
n. [Gr. a, without; trochos, wheel] (ANNELIDA: Polychaeta) A uniformly ciliated larva, lacking the preoral band. atrochal adj..
n. [Gr. a, without; trophein, to feed] Decrease in size of a tissue, organ, or part after full development has been obtained; a condition induced from lack of use, ...
adj. [L. ater, black] Black in color.
attachment disk
(ARTHROPODA: Chelicerata) The series of tiny zigzag lines or spots of silk that serve to anchor the draglines of spiders.
adj. [L. ad, toward; tenuis, thin] To become thin, slender, fine, extended, growing narrower, tapering.
adj. [L. attignus, touching] Touching, making contact.
n. [L. aptus, suited] The posture or expression assumed by an organism.
n. [L. ad, toward; tractus, draw] A chemical substance causing positive behavorial responses; see pheromone.
attraction sphere
see centrosome.
attractor epimeralis muscle
(ARTHROPODA: Crustacea) In Decapoda, a prominent muscle inserting along the line of the brachiocardiac groove.
n. [L. ad, toward; tritus, rub] A rubbing out or grinding down by friction.
adj. [Gr. a, without; typhlos, blind; solen, channel] Without longitudinal infolding of the intestinal wall; without a typhlosole.
adv. [Gr. a, without; typos, shape] Irregular; not conforming to type.
adj. [L. audire, to hear] Pertaining to the organs or sense of hearing.
auditory nerve
see Muller\'s organ.
auditory organ
Any specialized structure capable of being stimulated by sound vibrations, such as tympanal organs and auditory hairs.
auditory peg
see scolopale.
n. [Gr. aule, courtyard] (ARTHROPODA: Insecta) In Diptera, a fringed plate found in the labium of many larvae.
adj. [Gr. aulos, pipe; stoma, mouth] Bearing a tubular-shaped mouth.
adj. [L. auris, ear] Having ears or ear-like expansions.
adj. [L. aurum, gold] Golden yellow in color.
n. [L. aurum, gold] (ARTHROPODA: Insecta) A chrysalis or pupa of butterflies.
n. [L. aurum, gold] (ARTHROPODA: Insecta) A collector and breeder of butterflies; a lepidopterist.
n. [L. aurum, gold] A circlet of color that dissipates outwardly.
n. [L. auricula, little ear] 1. Any ear-shaped structure or small lobe-like appendage. 2. An atrium or chamber of the heart. 3. (ARTHROPODA: Insecta) a. In Hymenoptera, a ...
auricular crura
(MOLLUSCA: Bivalvia) Internal, blunt ridges swelling distally to form low tubercles.
auricular sulcus
(MOLLUSCA: Bivalvia) A furrow demarcating the auricle from the shell.
auricular valve
1. A mechanism that controls the flow of blood in various invertebrates. 2. (ARTHROPODA: Insecta) Pouches with incurrent ostioles in the heart that prevent the backflow or ...
auricularia larva
(ECHINODERMATA: Holothuroidea) A free-swimming bilaterally symmetrical larva characterized by the main ciliated band being increased in length due to sinuosity; see ...
adj. [L. auricula, little ear] Bearing an auricle or auricles.
auriculate antennae
(ARTHROPODA: Insecta) An antenna with basal joints expanded into an ear-like cover.
see ostium.
adj. [L. auricula, little ear; dim. venter, belly] (ARTHROPODA: Insecta) The outer valves of the heart between the auricle and the chamber.
adj. [L. auris, ear; forma, shape] Ear-shaped.
n. [L. auris, ear; phoreus, bearer] (CNIDARIA: Hydrozoa) In siphonophores, a portion of the float or pneumatophore.
adj. [L. australis, south] Pertaining to a southern biogeographical region extending across North America between the transition and tropical zones, including the United States ...
Australian Realm
A zoogeographical region comprising Australia, New Zealand and Pacific islands.
see Neotropical.
n. [Gr. autos, self; oikos, house; logos, discourse] The ecology of an individual organism or species stressing the physical factors of the environment, as opposed to ...
authority citation
The practice of citing the name of the author of a scientific name or name combination, i.e., X-us Brown, X-us albus Brown, Y-us albus (Brown).
n. [Gr. autos, self; L. agglutinare, to cement to] The agglutination of an individual\'s cells by its own serum.
adj. [Gr. autochthon, from the land itself] Pertaining to aboriginal; indigenous; native; endemic; inherited; see allochthonous.
see hermaphroditism.
n. [Gr. autos, self; demos, people] Members of a taxonomic group that perform self-fertilization.
n. [Gr. autos, self; L. ex, out; viscera, entrails] (ECHINODERMATA: Holothuroidea) Ejection of intestines and associated organs caused by adverse environmental conditions, ...
n. [Gr. autos, self; L. fecundus, fruitful] Selffertilization, as in a few hermaphroditic animals.
n. [Gr. autos, self; gamos, marriage] Self-fertilization; the fusion of two nuclei originating from a single cell; see allogamy.
n. [Gr. autos, self; genesis, beginning] Spontaneous generation; abiogenesis. autogenetic adj..
n. [Gr. autos, self; genesis, birth] 1. Self-generation. 2. Endogeny. 3. (ARTHROPODA: Insecta) The ability of Culicidae females to develop mature eggs without a prior blood ...
see autogenesis.
n. [Gr. autos, self; haimorrhagia, a bleeding] (ARTHROPODA: Insecta) Voluntary exudation or ejection of nauseous or poisonous blood through a rupture of the skin as a ...
n. [Gr. autos, self; heteros, different; aploos, onefold] A heteroploid derived from a single genome or from multiplication of its own chromosomes; see alloheteroploid.
n. [Gr. autos, self; L. inficere, to taint] Infection of a host by microorganisms or parasites produced within or upon the body of the same individual host.
n. [Gr. autos, self; L. intoxicare, to poison] Poisoning of an organism from a toxic substance produced within its own body.
n. [Gr. autos, self; kinesis, motion] Voluntary movement; see allokinesis.
adj. [Gr. autos, self; logos, discourse] Referring to being obtained or derived from an individual organism; see homology, heterology.
n. [Gr. autos, self; lysis, loosen] The degradation of tissues after death of a cell by the contained autogenous enzymes. autolytic a; see heterolysis.
n. [Gr. automatos, self-moving] The automatic activity of tissues, organs, or organisms.
automictic meiotic parthenogenesis
A normal reduction division occurs, followed by the fusion of the two nuclei so that the diploid number of chromosomes is restored; often the female pronucleus fuses with the ...
n. [Gr. autos, self; mixis, mingling] Obligatory selffertilization; egg and sperm being derived from the same individual, as opposed to amphimixis; automictic ...
see idiomorphic.
n. [Gr. autos, self; L. mutare, to change; Gr. gennaein, to produce] Any mutagen produced in an organism as a normal or abnormal metabolite that may induce gene and ...
adj. [Gr. autos, self; nomos, usage] Functioning due to internal causes; self-regulation; spontaneous; autonomous a; see choronomic.
n. [Gr. autos, self; parasitos, parasite] A parasite existing at the expense of another parasite.
adj. [Gr. autos, self; pelagios, of the sea] Referring to organisms found only in the surface waters of the sea.
n. [Gr. autos, self; phagein, to eat; kytos, container] The consumption of contractile muscular tissue by its own cells, as opposed to leucocytes.
n. [Gr. autos, self; phagein, to eat] The eating of an appendage shed from the body by autotomy or otherwise.
see autopolyploid.
n. [Gr. autos, self; polys, many; aploos, onefold; eidos, form] A polyploid originating from the doubling of a diploid chromosome set; see allopolyploid.
n. [Gr. autos, self; skeleton, dried body] (PORIFERA) The endoskeleton, comprised of spicules or spongin fibers secreted by the cells.
autosomal linkage
The linkage of alleles on the same autosome.
n. [Gr. autos, self; soma, body] Any chromosome other than a sex-chromosome; euchromosome; see allosome.
n. [Gr. autos, self; spaein, to pluck off] (ARTHROPODA: Chelicerata) The loss of appendages by breaking them at a predetermined locus of weakness when pulled by an outside ...
see autosyndesis.
n. [Gr. autos, self; syndesis, a binding together] The pairing of completely or partially homologous chromosomes contained in the same gametes at fertilization; ...
n. [Gr. autos, self; tetraple, fourfold] A tetraploid containing 4 sets of chromosomes per cell.
see sting autotomy.
n. [Gr. autos, self; tillesthai, to pluck] Loss of appendages by self-amputation; see autospasy.
n. [Gr. autos, self; tokos, birth] The production of progeny by a single organism, including hermaphroditism and parthenogenesis.
v.t. [Gr. autos, self; temnein, to cut] To shed a part intentionally; to effect autotomy.
n. [Gr. autos, self; tome, a cutting] The act of reflex self-mutilation of a part or appendage of various invertebrates, i.e., annelids, cnidarians, crustaceans and insects. ...
n. [Gr. autos, self; triploos, threefold] A triploid in which the three diploid sets are identical; see allotriploid.
adj. [Gr. autos, self; trophein, to nourish] Capable of synthesizing all substances needed for nutrition from inorganic food substances; see heterotroph.
see heautotype.
n. [Gr. autos, self; zoon, animal; oikos, house] (BRYOZOA) A tube that encloses an autozooid.
n. [Gr. autos, self; zoon, animal; eidos, form] 1. (BRYOZOA) a. A zooid having at some stages of ontogeny a protrusible lophophore, with or without the ability to feed. b. A ...
autozooidal polymorph
(BRYOZOA) An autozooid with a protrusible lophophore, with or without feeding ability, differing from ordinary feeding zooids in size, shape, tentacle number, or other ...
n.; pl. -lae [L. auxilium, aid] (ARTHROPODA: Insecta) Small plates between the unguitractor and the claws; the basipulvilli.
n. pl. [L. auxilium, aid] (ARTHROPODA: Insecta) In Hymenoptera, potential queen bees (gynes) that, in association with a queen, become workers; see gyne.
adj. [L. auxilium, aid] Referring to that which supplements, aids or supports.
auxiliary vein
(ARTHROPODA: Insecta) In Diptera, the subcostal vein anterior to the radius.
n. [Gr. auxein, to increase; autos, self; trophe, nourishment] Any organism capable of synthesizing the growth substances required in its development; see auxoheterotroph.
n. [Gr. auxein, to increase; kytos, container] Any germ cell in the growth period, during which snyapsis and tetrad formation occur.
n. [Gr. auxein, to increase; heteros, other; trophe, nourishment] Any organism that is incapable of synthesizing the growth substances required in its development.

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