Слова на букву helm-inte (732) Dictionary of invertebrate zoology
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n. [Gr. idios, personal; soma, body] (ARTHROPODA: Chelicerata) In mites or ticks, the posterior of the two basic parts of the body, prosoma and opisthosoma; pseudotagma.
n. [Gr. idios, personal; soma, body] 1. A purported ultimate element of living matter; micelle. 2. The sphere or region of differing cytoplasm viscosity surrounding the ...
n. [Gr. idios, personal; sphaira, globe; theke, sac] A vesicle containing the acrosome of sperm cells.
n. [Gr. idios, personal; taxis, arrangement; nomos, law] Taxonomic study of individuals, populations, species and higher taxa; traditional taxonomy.
n. [Gr. idios, personal; taxis, arrangement] Homonomous organs having a common relative placement, even with secondary multiplication.
n. [Gr. idios, personal; trichos, hair] Homonomous setae which share a common relative placement even in the case of secondary multiplication.
n. [Gr. idios, personal; typos, type] Genotype; idioplasm.
n. [Gr. idios, personal; organon, organ] A morphological multicellular unit composing an organ, antimere, or metamere, absent of characters of an individual or colony.
adj. [L. ileum, flank; caecus, blind] (ARTHROPODA: Insecta) Pertaining to the valve at the junction of the large and small intestine.
n. [L. ileum, flank] (ARTHROPODA: Insecta) 1. An undifferentiated tube running back to the rectum; the anterior part of the hind-gut. 2. In termites in the form of a ...
adj. [L. imago, image] (ARTHROPODA: Insecta) Pertaining to the adult or imago.
imaginal bud
См. imaginal cell.
imaginal cell
(ARTHROPODA: Insecta) In holometabolous forms, embryonic tissue which remains undifferentiated until they give rise to the imago (adult) structures.
imaginal disc
См. imaginal cell.
n. [L. imago, image] (ARTHROPODA: Insecta) The development of an imago or adult.
see imago.
n. [L. imago, image] (ARTHROPODA: Insecta) 1. The adult or reproductive stage. 2. In termites, applied only to the adult primary reproductives; imaginal adj..
n. [L. imago, image; Gr. chrysallis, chrysalis] (ARTHROPODA: Chelicerata) In the chigger mite life cycle, a quiescent stage between the nymph and adult.
imbricate plates
(ARTHROPODA: Crustacea) In Cirripedia, the lower lateral, lower latus, and lower latera.
n. [L. imbricare, to cover with tiles] An overlapping at the margins as of tiles or shingles; imbricate adj..
adj. [L. in, not; maculatus, spotted] Without colored spots or marks.
adj. [L. in, not; marginatus, to enclose with a border] Without a definite rim or margin; having no colored rim or margin.
adj. [L. in, not; maturus, ripe] Any developmental stages preceding the adult.
adj. [L. in, not; mergere, to dip] Inserted, imbedded or hidden, as a part or organ.
n. [L. immunis, free] The ability of an organism to resist a pathogen; a type of resistance to disease.
adj. [L. immunis, free; gennaein, to produce] Pertaining to a type of substance that stimulates production of antibody or cell-mediated immunity.
imperfect mesentaries
(CNIDARIA: Anthozoa) Mesentaries spanning the gastrovascular space, but not reaching the actinopharynx; see perfect mesentaries.
adj. [L. in, not; perforatus, to bore through] 1. Not perforated; lacking an opening or aperture. 2. (MOLLUSCA: Gastropoda) see anomphalous.
n. [L. implexus, plaited] (ARTHROPODA: Insecta) Integumental infolding for muscle attachment; endoplica.
adj. [L. implicare, to entangle] To infold or twist together.
n. [L. impraegnare, to cause to conceive] To make pregnant; the introduction of sperm cells; fecundate.
adj. [L. in, on; premere, to press] 1. Produced by pressure; depressed areas or markings. 2. (MOLLUSCA: Gastropoda) A suture of a shell having both adjoined whorl ...
n. [L. in, on; premere, to press] (MOLLUSCA: Bivalvia) The impression on the valve of a muscle or gill.
adj. [L. in, not; punctum, puncture] Without marks, pits, spots or holes.
in toto
In its entirety; entirely; altogether.
in vitro
[L. in, in; vitrum, glass] In the test tube or other artificial environment.
in vivo
[L. in, in; vivere, to live] Occurring within a living organism.
adj. [L. in, not; aequipartus, equal] (MOLLUSCA: Bivalvia) Pertaining to bivalves with one end longer than the other.
n. [L. inanis, empty] 1. The state of being empty; inane. 2. Exhaustion from lack of nutrients; the physical condition resulting from insufficient nutrients. 3. A form of ...
adj. [L. in, not; appendix, appendage] Without appendages.
adj. [L. in, not; articulatus, jointed] Not jointed or fitted together; lacking distinct body segments.
inarticulate hinge
(MOLLUSCA) Lacking visible teeth or equipped only with a callosity.
n. [Gr. in, not; axon, axis] A neuron in which the axon branches at a distance from the neurocyte.
v.t. [A.S. in, inward; bredan, nourish] To mate with genetically similar individuals, particularly with close relatives; endogamy.
inbreeding depression
A loss of fitness due to severe inbreeding.
incased pupa
see pupa folliculata.
incertae sedis
Said of a taxon of uncertain taxonomic position.
n. [L. incidere, to happen] The number of new cases of a particular disease in a population within a given time period; see prevalence.
incidental parasite
see accidental parasite.
adj. [L. incipere, to begin] The beginning or appearance, as a species of animal.
incipient species
see polymorphism.
adj. [L. incisus, cut into] Notched or cut in; sculptured with sharp cut grooves.
n. [L. incisus, cut into] Adapted for cutting.
incisor lobe
(ARTHROPODA: Insecta) A toothed lobe used for biting.
incisor process
(ARTHROPODA: Crustacea) The biting portion of the gnathal lobe of the mandible; pars incisiva.
n.; pl. -urae [L. incidere, to cut into] 1. A notch, depression or indentation. 2. (ARTHROPODA: Insecta) The incisions in the margin of the terminal segment of scale ...
incisura clavicularis
(ARTHROPODA: Crustacea) In Nephropidae, an incision in the anterolateral margin of the carapace forming two lobes partly overlaping that fit around a tubercle or ridge of ...
n. [L. incidere, to cut into] A cut, gash, impression line, striation or notch.
adj. [L. inclinare, to bend] Bent toward the midline of the body.
adj. [L. inclivus, sloping] (ARTHROPODA: Insecta) Term applied to a transverse wing vein; having the front end nearer the wing base than the rear; see verticle, reclivous. ...
inclusion bodies
Intracellular bodies, as mitochondria, microsomes, at times viruses, etc.
incomplete metamorphosis
(ARTHROPODA: Insecta) In hemimetabolous exoptergotes, the immatures differing from the adult mainly by incomplete development in the wings and genitalia and develop without ...
adj. [L. incrassare, to thicken] Thickened; making or becoming thick or thicker.
incremental line
see growth line.
n. [L. incrustatus, covered with mud] 1. Encased with a crust or hard coat. 2. A deposit of calcareous matter upon a shell. 3. (MOLLUSCA: Bivalvia) In oysters, tight ...
incubation groove
(ARTHROPODA: Insecta) In bumblebees, a broad depression across the top of the brood comb cell or on top of a group of larvae, into which a lone gyne lies to facilitate ...
adj. [L. in, in; cubare, to lie down] Pertaining to animals that brood their young.
adj. [L. incus, anvil] (ROTIFERA) Type of mastax with stout forceps-like shape with reduced mallei.
adj. [L. incumbere, to lie down upon] Bent downwards; to touch or rest upon.
n.; pl. -ula [L. incunabulum, cradle] (ARTHROPODA: Insecta) A cocoon.
adj. [L. in, in; currere, to run] 1. A current which flows inward; afferent. 2. (ARTHROPODA: Insecta) The ostium of the heart. 3. (MOLLUSCA) Inhalant siphons. 4. ...
adj. [L. incurvus, bent] 1. The state of being bowed or curved inwards. 2. Bent over as the apex in some shells.
n.; pl. incudes [L. incus, anvil] (ROTIFERA) Curved plates of the mastax, bearing on their medial sides several pronglike teeth; the fulcrum and rami collectively; ...
adj. [L. in, in; dens, tooth] Notched or dented; abruptly pressed inward; a cut or notch in a margin.
adj. [L. in, not; determinare, to limit] Not well defined; vague; indefinite.
n.; pl. indexes [L. indicare, to point out] A number expressing the relationship of one quantity to another by expressing them as ratios of a third quantity.
adj. [L. indigena, native] Being native to or originating in a specified place or country.
indigoid biochrome
Various blues and purples derived by the metabolism of trytophan found in plants and mollusks.
indirect life cycle
see heterogonic life cycle.
indirect nuclear division
1. Typical = mitosis. 2. Atypical = meiosis.
n. [L. in, in; ducere, to lead] A small molecule which causes an increase in the rate of enzyme synthesis when present.
n. [L. in, in; ducere, to lead] Increase of the rate of production of an enzyme caused by an inducer molecule.
see organizer.
n. [L. inductura, a coating] (MOLLUSCA: Gastropoda) Smooth shelly layer of the shell secreted by the mantle, extending from the inner side of the aperture over the parietal ...
n. [L. indumentum, garment] Covered by hairs, scales or tufts.
adj. [L. induratare, to make hard] Hardened.
n.; pl. -sia [L. indusium, tunic] (ARTHROPODA: Insecta) 1. A larva casing. 2. The third covering of embryonic membrane formed from a thickening of the serosa in front of ...
industrial melanism
The evolution of a darkened population owing to melanistic individuals that blend with their substrate in the sooty surroundings of an industrial area.
adj. [L. in, not; aequus, equal] Having irregular elevations or depressions.
adj. [L. in, not; aequus, equal; latus, side] (MOLLUSCA: Bivalvia) Shells with unequal sides; see inequivalve.
adj. [L. in, not; aequus, equal; lobus, lobe] Having lobes of unequal size.
adj. [L. in, not; aequus, equal; valva, leaf of a door] (MOLLUSCA: Bivalvia) Having one valve larger, or of a different form from the other.
См. inermous.
adj. [L. inermis, unarmed] Lacking striae, spines or other sharp processes; see mutic.
n. [L. iners, idle] Inactive; said of heterochromatin of chromosomes due to absence of gene mutations or effects on genetic balance; physiologically inactive.
n. [L. in, into; Faunus, diety of herds and fields] Bottom burrowing animals of the sea; see epifauna.
adj. [L. inferior, lower] Situated below, near the base; underneath; beHind.
inferior anal appendage
(ARTHROPODA: Insecta) In Odonata, the lower one or two terminal abdominal appendages used in grasping the female at the time of copulation.
inferior groove
(ARTHROPODA: Insecta) In Decapoda, a carapace groove, beginning at the junction of the hepatic and cervical grooves toward the lateral margin.
infero-marginal plates
(ECHINODERMATA: Asteroidea) The lower marginal plates that form the outline of the arm; see supero-marginal plates.
adj. [L. inferus, low; Gr. branchia, gills] (MOLLUSCA) Pertaining to gills under the mantle margin.
adj. [L. inferus, low; latus, side] Being below and at or towards the side.
adj. [L. inferus, low; medius, middle] Being below and about the middle.
adj. [L. inferus, low; posterior, hinder] Below and beHind.
n. [F. infertilite] Infertile state or quality; inability to reproduce.
n. [L. infestus, disturbed] The living in or on a host by metazoan parasites.
n. [L. in, in; filtrum, felt] Act or process of infiltering or permeating.
adj. [L. inflatus, inflated] 1. Expanded; distended. 2. (MOLLUSCA: Gastropoda) Applied to shells swollen, increased unduly, distended; ventricose.
n. [L. in, in; flare, to blow] (MOLLUSCA: Bivalvia) The distance between the outermost points of the two valves.
adj. [L. in, in; flectere, to bend] Turned or bent inward or downward; inflexed.
adj. [L. in, in; fectere, to bend] Curved, bent or directed inward or downward or toward the body axis; inflected.
adj. [L. in, in; fluere, to flow] An animal or plant having an influence on other living forms.
n. [L. in, in; formare, to form; Gr. soma, body] Messenger RNA combined with protein for protection as it moves from nucleus to cytoplasm.
infra-anal flaps
see paraproct.
infra-ergatoid form
see phthisergate.
adj. [L. infra, underneath; basis, base] 1. Below a basal structure. 2. (ECHINODERMATA: Crinoidea) Plates aboral to the basal plates.
adj. [L. infra, underneath; branchiae, gills] Being below the gills.
infrabuccal cavity
См. infrabuccal chamber.
infrabuccal chamber
(ARTHROPODA: Insecta) A spheroidal sac beneath the floor of the mouth cavity that opens into the mouth by means of a short narrow canal, functioning in food storage.
infrabuccal slit
(ARTHROPODA: Chelicerata) In Acari, the slit between the two lateral lips seen on the ventral surface of the infracapitulum.
infracalyptral setulae
(ARTHROPODA: Insecta) In tachinid Diptera, fine, bristly hairs below the point of attachment of the calypter (squamae).
infracapitular glands
(ARTHROPODA: Chelicerata) In Acari, paired glands lying in the prosoma and emptying into the cervix.
n.; pl. -la [L. infra, underneath; capitulum, small head] (ARTHROPODA: Chelicerata) In Acari, part of the gnathosoma of mites, bearing lips and palpi and containing mouth ...
see anteclypeus.
adj. [L. infra, underneath; coxa, hip] (ARTHROPODA) Situated below the coxa.
adj. [L. infractus, break] Bent inward; bent inward abruptly as if broken.
n. [L. infra, underneath; Gr. epi, upon; meros, part] (ARTHROPODA: Insecta) The lower sclerite of the epimeron; katepimeron.
n. [L. infra, underneath; Gr. epi, upon; sternon, chest] (ARTHROPODA: Insecta) A ventral subdivision of an episternum.
adj. [L. infra, underneath; Gr. oisophagos, gullet] Subesophageal.
adj. [L. infra, underneath; genitalis, belonging to birth] Below the genital opening.
adj. [L. infra, underneath; margo, edge] Behind or below any margin.
adj. [L. infra, underneath; medius, middle] Pertaining to a belt or zone along the sea bottom between 50 and 100 fathoms in depth.
inframedian latus
(ARTHROPODA: Crustacea) In Lepadomorpha Cirripedia, a plate below the upper latus.
n. [L. infra, underneath; Gr. neustos, floating] Animals that live on the underside of the surface film of water.
n. [L. infra, underneath; oculus, eye] Below and between the eyes.
infraorbital spine
(ARTHROPODA: Crustacea) A spine on the lower angle of the orbit of a decapod carapace.
n. [L. infra, underneath; ordo, order] An optional category below the suborder.
adj. [L. infra, underneath; socius, companionship] Leading a solitary life; below social; see society.
n. [L. infra, underneath; species, kind] Within the species; usually applied to subspecies.
adj. [L. infra, underneath; Gr. stigmata, marks] (ARTHROPODA) Below the stigmata or spiracles.
adj. [L. infra, underneath; sutura, seam] (ARTHROPODA) Below the seam or suture.
adj. [L. in, in; fumus, smoke] Clouded with a blackish color; smoke colored.
n.; pl. -ula [L. infundibulum, funnel] 1. A funnel- shaped organ or part. 2. (CNIDARIA: Hydrozoa) The hydroecium. 3. (MOLLUSCA: Cephalopoda) An exhalant siphon leading ...
adj. [L. in, into; fuscus, dark] Darkened with a brownish tinge; smoky gray-brown.
infusoriform larva
(MESOZOA: Rhombozoa) In Dicyemida, ciliated larva produced by the infusorigen.
n. [L. infusus, poured into; genos, offspring] (MESOZOA: Rhombozoa) A mass of reproductive cells interpreted as being a hermaphroditic gonad within a rhombogen.
v. [L. ingestus, taken in] To convey food into a place of digestion.
n. pl. [L. ingestus, taken in] The total amount of substances and fluids taken into the body; see egesta.
n. [L. ingestus, taken in] The act or process of swallowing or taking in food material into a cell or into the enteron.
adj. [L. ingluvies, crop] (ARTHROPODA: Insecta) Pertaining to the ingluvies or crop of insects.
ingluvial ganglion
(ARTHROPODA: Insecta) 1. Paired ganglion of the stomodeal nervous system at the posterior end of the foregut. 2. In Schistocerca, autonomously exerting influence on ...
see crop.
adj. [L. in, into; halere, to breathe] Taking into the body, i.e., water or air; see incurrent.
inhalant siphon
In various invertebrate groups, a tube-like organ along which water is drawn into the mantle cavity.
n. [OF. enheritance] The sum of all characters or qualities transmitted by the germ cells from generation to generation.
inherited disease
Abnormal characters or qualities predetermined from parent to offspring; an inborn disease.
n. [L. inhibere, to restrain] Any substance which checks or prevents an action or process.
n. [L. in, in; jacere, to throw] (CNIDARIA) A nematocyst that injects venom through a discharged open-ended tube; stomocnide.
n.; pl. -ries [L. in, not; juris, right] Damage; wound; trauma.
ink sac
(MOLLUSCA: Cephalopoda) A pear-shaped body in the wall of the mantle situated near the anus, containing the ink glands which eject a black substance as a defense mechanism. ...
adj. [L. innatus, inborn] Instinctive behavior; not learned.
inner dorsocentral bristles
see acrostichal bristles.
inner epithelium
(BRYOZOA: Stenolaemata) In free-walled forms, an epithelium that secretes the skeleton, including both zooidal skeletal walls and hypostegal extrazooidal skeleton.
inner lamina
(ARTHROPODA: Crustacea) In Balanomorpha, the inner shell layer of compartmental plates separated by longitudinal tubes from the outer lamina.
inner ligament
См. inner layer of ligament.
inner line
(MOLLUSCA: Gastropoda) That part of the peristome against the pillar.
inner lip
(MOLLUSCA: Gastropoda) The inner edge of the aperture of a univalve shell extending from the foot of the columella to the suture; columellar and parietal lips ...
inner vesicle
see ooecial vesicle.
v. [L. in, in; nervus, tendon] To supply nerves to an organ or part.
inocular antennae
(ARTHROPODA: Insecta) Antennae with base partly or wholly surrounded by the eye; see eye-bridge.
n. [L. in, in; oculare, to furnish with eyes] 1. Active or passive introduction of parasites into the body of a host. 2. Introduction of an inoculum into a culture medium. ...
adj. [L. in, not; operculum, a cover, lid] Without an operculum, as a garden snail.
v. [L. in, in; osculum, little mouth] To anastomose.
n. [L. inquilinus, tenant] 1. A commensal organism that lives habitually on or within the body of another, or in its nest or abode without benefit or damage to either; a ...
n. [L. inquilinus, tenant; -ismus, condition] 1. The relationship between two organisms sharing an abode without benefit or damage to either. 2. (ARTHROPODA: Insecta) The ...
n. pl.; sing. -da [L. in, in; quaerere, to seek] Under inquiry or investigation; needs study.
insect ovary types
(ARTHROPODA: Insecta) There are three types of ovaries:. 1. Panoistic. 2. Polytrophic meroistic. 3. Telotrophic meroistic; see separate entries.
insect society
(ARTHROPODA: Insecta) Strictly a colony of eusocial insects.
insect sociobiology
The study of population characteristics related to social behavior in insects.
insect sociology
См. insect sociobiology.
См. insects.
adj. [L. insectum, cut into] (ARTHROPODA: Insecta) Referring to or characteristic of insects in general.
n.; pl. -ia [L. insectum, cut into] A building where insects are propagated or the collection contained therein.
См. insectan.
adj. [L. insectum, cut into; vorare, to devour] Feeding on insects.
n. pl. [L. insectum, cut into; ruber, red] Red or red-brown eye pigments of insects, produced by the oxidation of tryptophane.
n. [L. insectum, cut into; viridis, green] (ARTHROPODA: Insecta) A blue pigment (usually mesobiliverdin) in combination with carotenoids which produce the green coloring of ...
n.; n. pl. [L. insectum, cut into] A class of Arthropoda generally having a tracheate respiratory system, a single pair of antennae, and the body somites grouped into three ...
n. [L. inseminare, to sow] The introduction of spermatozoa into the female reproductive tract; see semination.
adj. [L. in, in; serere, to join] Joined by natural growth; a muscle attached to a movable part.
n. [L. in, in; serere, to join] 1. Movable end of a muscular attachment. 2. Translocation in genetics.
insertion plate
(MOLLUSCA: Polyplacophora) A narrow marginal extension of the articulamentum layer in the head and tail valves and sides of the intermediate valves, projecting into the ...
n. [L. in, into; sol, sun] Exposure to the rays of the sun.
v. [L. in, into; spissus, thick, dense] To bring greater consistency; to thicken.
n. [L. instar, form] 1. An insect or nematode at a particular larval period or stage between molts. 2. (ARTHROPODA: Insecta) Numbered to designate the various periods, i.e., ...
n. [L. instinctus, impulse] A usually invariable complex response natural to a species, independent of any previous experience of the individual.
adj. [L. in, not; tectum, roof] Lacking a tectum.
n. [L. integer, whole] (BRYOZOA) Changes in individual zooid morphology brought about by colonial living.
adj. [L. integer, whole; pallium, mantle] (MOLLUSCA: Bivalvia) Having a pallial line entire; lacking a sinus, as clams or oysters.
n. [L. integumentum, covering] The outer covering of the body.

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