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

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integumental vesture or setae
(ARTHROPODA: Insecta) Numerous spines or hairs on the epidermis of syrphid larvae, excluding the segmental spines.
n.; pl. -ties [L. intentus, intent] The total number of parasites in an individual; see burden.
interambulacral areas
(ECHINODERMATA: Echinoidea) The radially arranged arms (typically 5) that do not bear tube feet or podia; see ambulacral areas.
interambulacral plates
(ECHINODERMATA: Crinoidea) Additional calyx plates between the arm bases in stalked crinoids.
interantennal setae
(ARTHROPODA: Insecta) In coccids, a group or transverse row of setae on the ventral aspect of the head between the articulation of the antennae.
interantennal suture
(ARTHROPODA: Insecta) In Siphonaptera, a suture extending between the bases of the antennae.
interantennular septum
(ARTHROPODA: Crustacea) In some Malacostraca, a plate separating antennular cavities; proepistome.
interbasal muscle
(ECHIURA) A strong, narrow muscular band of tissue connecting the sheaths of the two ventral setae.
adj. [L. inter, between; brachium, arm] Between adjoining arm tips, rays or brachial plates.
n. [L. inter, between; A.S. brod, broad] Individuals capable of actual or potential gene exchange by hybridization.
adj. [L. intercalaris, that which is inserted] Inserted or introduced between others; interpolated.
intercalary appendages
(ARTHROPODA: Insecta) The rudimentary post antennal or premandibular appendages.
intercalary segment
(ARTHROPODA: Insecta) The premandibular, tritocerebral segments.
intercalary stage
(ARTHROPODA: Diplopoda) A non-reproductive stage between two reproductive stages in which the male gonopods and other secondary sexual structures regress.
intercalary vein
(ARTHROPODA: Insecta) 1. An extra longitudinal wing vein of Ephemeroptera. 2. Convex wing vein which follows the crest of a ridge. 3. Concave wing vein on the bottom of ...
intercalary walls
(BRYOZOA: Gymnolaemata) The outer walls of zooids attached to each other in a linear series.
adj. [L. inter, between; dim. cellula, little cell] Lying between cells.
intercervical groove
(ARTHROPODA: Crustacea) In Nephropidae, an oblique groove on the carapace that connects the postcervical and cervical grooves.
n. [L. inter, between; combiare, to exchange] Reciprocal translocations between nonhomologous chromosomes.
intercheliceral gland
(ARTHROPODA: Chelicerata) In Acari, unpaired prosomatic gland emptying between the chelicerae; function unknown.
interchordal areas
(NEMATA) The nonthickened regions of the hypodermis devoid of nuclei.
n. [L. inter, between; Gr. chroma, color; meros, part] 1. Regions connecting adjacent chromomeres. 2. (ARTHROPODA: Insecta) Lighter staining areas of the giant chromosomes ...
adj. [L. inter, between; Gr. chroma, color; soma, body] Reactions between chromosomes.
adj. [L. inter, between; costa, a rib] (MOLLUSCA) Placed between the ribs of a shell.
intercostal vein
(ARTHROPODA: Insecta) The subcosta.
n. [L. inter, between; costa, rib or side] (MOLLUSCA) Between ribs or ridges.
intercoxal process
(ARTHROPODA: Insecta) In Coleoptera, a prosternal process, occasionally enlarged, partly concealing the coxae.
n. [L. inter, between; dens, tooth] (MOLLUSCA: Bivalvia) A shelly plate between the pseudocardinal and lateral teeth.
n. [L. inter, between; facies, countenance] The common surfaces of two bodies.
interfrontal bristles
(ARTHROPODA: Insecta) In Diptera, bristles or hairs on the frontal vitta.
see frontal vitta.
adj. [L. inter, between; Gr. ganglion, swelling] Between and uniting nerve ganglia.
adj. [L. inter, between; Gr. genos, race] Changes involving more than one gene.
interior skeletal wall
(BRYOZOA: Gymnolaemata) In Cheilostomata, walls growing off the skeletal wall interiorly which partition the original coelomic volume of the colony.
interior wall
(BRYOZOA) Any body wall that partitions the body cavity into zooids, parts of zooids or extrazooidal parts.
n. [L. inter, between; Gr. kinesis, movement] The abbreviated interphase between the first and second meiotic divisions with no chromosomal reproduction.
adj. [L. inter, between; labium, lip] (NEMATA) Situated between the lips.
adj. [L. inter, between; lamella, thin plate] Between lamellae.
interlaminate figure
(ARTHROPODA: Crustacea) In some Balanomorpha, a line or lines extending between epicuticle of outer lamina through longitudinal septa into the inner lamina in sections ...
n. [L. inter, between; maxilla, jaw] (ARTHROPODA: Insecta) The maxillary lobe.
n. [L. inter, between; medius, middle] (PORIFERA) Spicules between elements of principalia or dictyonalia.
intermediate band
См. intermediate disc.
intermediate cell
see chromophile.
intermediate denticles
(ARTHROPODA: Crustacea) In Stomatopoda, a row of small projections between the intermediate and submedian teeth on the lateroterminal margin of the telson.
intermediate disc
see Z-band.
intermediate host
One which alternates with the definitive host in which the parasite passes through partial development, but not to sexual maturity; see definitive host.
intermediate neurons
Neurons joining sensory and motor neurons; association neurons.
intermediate sclerite
(ARTHROPODA: Insecta) In Diptera, hypostomal sclerites shaped like an "H", joined together by a transverse bar, receiving the opening of the salivary duct.
intermediate tooth
(ARTHROPODA: Crustacea) A strong spinelike or blunt projection at the margin of the telson, between submedian and lateral teeth of mantis shrimp.
intermediate valve
(MOLLUSCA: Polyplacophora) Any valve between head and tail valves; median valve; body valve.
adj. [L. inter, between; Gr. mitos, thread] Interphase of mitotic cell cycle.
adj. [L. internus, within] 1. Located within the limits of the surface of something; situated on the side toward the median plane of the body. 2. (MOLLUSCA) Pertaining to ...
internal ligament
(MOLLUSCA: Bivalvia) The ligament placed within the hinge and not visible when the valves are closed.
internal parameres
(ARTHROPODA: Insecta) In male genitalia, the paired sclerotized appendages inside the external parameres.
internal respiration
The biochemical processes of metabolism that occur in all living cells that result in energy release.
internal rhythm
Endogenous rhythm; see circadian.
internal ridges
(ANNELIDA: Hirudinoidea) Fleshy structures of the pharynx; pharynx folds or pods.
internal secretion
Substance absorbed directly by body fluids.
internal triangle
see triangle.
International Code of Zoological Nomenclature
The official set of regulations and recommendations dealing with zoological nomenclature.
n. [L. inter, between; Gr. neuron, nerve] Internuncial neuron or association neuron.
n. [L. inter, between; nodus, swelling] 1. The interval or part between two nodes or joints. 2. (BRYOZOA) That segment of a jointed colony between surfaces of ...
n. [L. internus, inside] Medulla of a mitochondrion.
internuncial neuron
see association neuron.
internuncial process
(PLATYHELMINTHES) The cell processes (trabecula) connecting the perikarya of cestode and trematode tegumental cells with the distal cytoplasm.
n. [L. inter, between; (re)capere, to take] Sense organs situated internally that respond to internal conditions, as opposed to exteroceptors.
adj. [L. inter, between; osculari, to kiss] Having characters common to 2 or more species or groups.
adj. [L. inter, between; Gr. petalon, leaf] (ECHINODERMATA: Echinoidea) Area between ambulacral areas.
n. [L. inter, between; Gr. phasis, state] The period between succeeding mitoses; see interkinesis.
interpleural suture
(ARTHROPODA: Insecta) In Odonata, suture between the meso- and metapleura.
n. [L. inter, between; Gr. pleuron, side] (ARTHROPODA: Insecta) An intersegmentalia between the pleurites.
adj. [L. inter, between; plicare, to fold] Lying between folds.
interradial plates
(ECHINODERMATA: Crinoidea) Additional calyx plates between the radial plates in stalked crinoids.
n.; pl. -radii [L. inter, between; radius, ray, spoke] 1. Area between radii or perradii in radially symmetrical animals. 2. (CNIDARIA) The second radius.
adj. [L. inter, between; ramus, branch] Between two rami.
interramal cirrus
(ANNELIDA: Polychaeta) Cirrus on the ventral side of the notopodium.
adj. [L. inter, between; ruga, wrinkle] Between rugae.
adj. [L. inter, between; rumpere, to break] Irregular; asymmetrical; broken in continuity.
adj. [L. inter, between; scutum, shield] Between scuta.
adj. [L. inter, between; segmentum, part] Between segments.
intersegmental furrow
(ANNELIDA: Oligochaeta) In pigmented species of earthworms, the boundary between two consecutive segments where epidermis is thinnest and color is lacking.
intersegmental groove
(ANNELIDA: Oligochaeta) In earthworms, a circumferential depression of strongly contracted specimens that contains the intersegmental furrow.
intersegmental membrane
(ARTHROPODA: Insecta) The flexible conjunctiva between two secondary segments where contraction of the longitudinal muscles produce telescoping of the segments.
n. pl.; sing. -lium [L. inter, between; segmentum, part] (ARTHROPODA: Insecta) 1. Dorsal and ventral plates associated with narrow intersegmental sclerites which develop in ...
adj. [L. inter, between; septum, wall] Spaces between septa.
n. [L. inter, between; sexus, sex] An individual possessing both male and female characteristics; sex mosaic; see hermaphrodite.
adj. [L. inter, between; Gr. soma, body] Between body segments or somites.
n. [L. inter, between; spatium, space] 1. Intervening time or space. 2. (MOLLUSCA) Spaces between costa of a shell.
adj. [L. inter, between; spiculum, small point] Between spicules.
n. [L. inter, between; sterilis, unfruitful] Crosssterility between groups.
n. [L. inter, between; Gr. sternon, chest] (ARTHROPODA: Insecta) An intersegmental sclerite, located on the ventral side of the thorax; the spinasternum.
n. pl. [L. interstitium, space between] A narrow space between the parts of a body or things close together; a crack, crevice or chink; interstitial adj..
interstitial cells
(CNIDARIA) Small undifferentiated epidermal cells which may give rise to cnidoblasts or nematocysts.
adj. [L. inter, between; stria, groove] 1. Between two striae. 2. (ARTHROPODA: Insecta) see elytral intervals.
intertentacular organ
(BRYOZOA: Gymnolaemata) A small ciliated tube beneath the tentacle bases of the lophophore through which fertilized eggs pass to the outside.
n. [L. inter, between; tergum, back] An intersegment between tergites.
intertidal zone
The area bounded by the high and low tide lines; also known as the littoral.
adj. [L. inter, between; Gr. trochanter, runner] (ARTHROPODA) Between trochanters.
n. [L. inter, between; vallum, a wall] 1. The space between elevations or depressions; see interspace. 2. Distance between points. 3. The time between periods of ...
adj. [L. inter, between; zona, belt] Connection between chromatids during separation at anaphase in mitosis.
interzooidal budding
(BRYOZOA: Stenolaemata) Budding that occurs outside of the living chambers of zooids producing a bud nonrelated to an individual parent zooid.
interzooidal growth
(BRYOZOA: Phylactolaemata) Growth of a wall between new polypides and parental polypides.
interzooidal polymorph
(BRYOZOA: Gymnolaemata) Polymorph between zooids communicating with two or more zooids in a space smaller than that occupied by an autozooid.
intestinal groove
(ARTHROPODA: Crustacea) In Decapoda, marine lobsters with a short, transverse groove of the posterior carapace.
intestinal region
(ARTHROPODA: Crustacea) In a decapod carapace, a short transverse area behind the cardiac region; posterior cardiac lobe.
intestinal siphon
(ECHIURA) A narrow tube associated with the midgut; an accessory intestine.
n. [L. intestina, entrails] The chief digestive portion of the enteron; gut.
n. [L. intimus, innermost] The internal membranous lining of an organ; intimal adj..
n. [L. in, in; torquere, to twist] A turning or twisting in any direction from the vertical.
intra vitam
Applied to certain stains having the property of tinting cells of living organisms without killing them.
intra-alar bristles
(ARTHROPODA: Insecta) In Diptera, a row of two or three bristles between the supra-alar and dorsocentral bristle groups.
adj. [L. intra, within; cellula, small cell] Occurring within a cell or cells.
n. [L. intra, within; cambiare, to barter] Exchange of segments within a chromosome resulting in chromosomal structural changes.
intracoelomic muscle
see external muscle.
intracristal space
Space enclosed by cristae in the mitochondrion.
intracuticular skeleton
(BRYOZOA: Gymnolaemata) In Cheilostomata, skeletal layers between noncellular organic sheets or within organic networks of cuticles of the exterior walls.
n. [L. intra, within; F. dos, the back] The interior curve of an arch; see extrados.
adj. [L. intra, within; Gr. haima, blood; koilos, hollow] Within the hemocoel or perivisceral cavity of an invertebrate.
cleavage Cleavage where the nuclei undergo several divisions within the yolk without concurrent cytokinesis; common in arthropods.
n.; pl. intraparietes [L. intra, within; paries, wall] (ARTHROPODA: Crustacea) In Lepadomorpha, the secondary lateral margin of the carina.
adj. [L. intra, within; Gr. petalon, leaf] (ECHINODERMATA) Within the area of the tube feet.
intrapulmonary respiration
Type of respiration that does not involve movements of the outer body wall and is confined to the respiratory organs.
adj. [L. intra, within; segmen, piece] Within a segment.
adj. [L. intra, within; spicula, little point] (PORIFERA) Pertains to spicules completely embedded in spongin.
intratentacular budding
(CNIDARIA: Anthozoa) A zoantharian colony growing by asexual reproduction, through the formation of new mouths on the oral disk, resulting in branching, or in linear ...
adj. [L. intra, within; uterus, womb] 1. Within the uterus. 2. Applied to developing offspring hatching within the uterus of the mother; see matricidal hatching.
intrazooidal budding
(BRYOZOA: Stenolaemata) Budding within the living chamber of a single zooid.
intrazooidal polymorphism
(BRYOZOA: Stenolaemata) Two different types of zooids developed in the same living chamber.
adj. [L. intrinsecus, inward] 1. Inherent or within. 2. Cycles of species in a population. 3. Rate of natural increase in a stabilized population; see extrinsic.
intrinsic articulation
A type of articulation where sclerotic prolongations within the articular membrane make contact; see extrinsic articulation.
intrinsic body wall muscles
(BRYOZOA) Circular and longitudinal muscle layers in the body walls.
intrinsic muscles
Muscles which move an organ (leg, etc.) that originate within the segment; see extrinsic muscles.
adj. [L. intro, within; ducere, to lead] Not native but brought into an area by man.
n. [L. introitus, entered] Opening or orifice.
adj. [L. intro, within; mettere, to send] Designed for entering or inserting.
intromittent organ
A male organ for transfer of seminal fluid into the female.
adj. [L. intro, within; versus, turn] Facing or directed inward toward the axis; see extrorse.
n. [L. intro, within; versus, turn] (BRYOZOA/SIPUNCULA) A cavity which accepts retractable appendages, e.g., the anterior cavity that accepts the anterior tentacles.
n. [L. in, in; tumescere, to swell up] A swelling; being swollen or expanded.
n. [L. intus, within; suscipere, to take up] Deposition of new particles of formative material among those already present in a tissue or structure; see apposition, ...
n. [L. in, into; vagina, sheath] An infolding, or ingrowth of a sheet or layer of cells forming a pouch or sac, especially in embryos; see emboly.
adj. [L. invalidus, not strong] Dismissing; without standing in zoological nomenclature.
inverse eyes
Eyes in which the distal ends of the retinal cells face the interior of the cup or vesicle; see converse eyes.
n. [L. invertere, to turn around; -asis, ending signifying an enzyme] An enzyme found in many plants and animal intestines that causes the hydrolysis of sucrose and converts ...
n. [L. in, not; vertebrata, with backbones] Any animal without a backbone or vertebral column.
n. [L. investire, to clothe] An outer covering of a cell, part, or organism.
adj. [L. ipse, same; latus, side] Pertaining to or situated on the same side; see contralateral.
n. [L. iris, rainbow] A rainbow-like display of interference colors that change with variations of the angle of view, due to diffraction of light reflected from ribbed or ...
n. [L. iris, rainbow; Gr. phoreus, bearer] An iridescent chromatophore; an iridocyte.
n.; pl. irises, irides [L. iris, rainbow] Dark pigment surrounding the compound eyes of arthropods and the camera- type eyes of cephalopods.
n. [L. in, not; regularis, according to rule] Unequal, curved, bent; not regular.
irreversibility rule
see Dollo\'s rule.
n. [L. irritare, to provoke] Ability to receive external impressions and the power to react to them.
n. [L. irritare, to provoke] Any external stimulus that can provoke a response.
adj. [L. in, not; roris, dew] Covered with minute marks, colors, or minute grains or specks of color.
n. [Gr. isos, equal; auxesis, growth] Equality in growth; isometry; see bradyauxesis, heterauxesis, tachyauxesis.
pl. of ischium.
n. [Gr. ischion, hip; keras, horn] (ARTHROPODA: Crustacea) Third segment of an antennal peduncle.
adj. [Gr. ischion, hip; meros, part] (ARTHROPODA: Crustacea) Refers to the third (ischium) and fourth (merus) segments of subchelate anterior appendages.
n. [Gr. ischion, hip; pous, foot] (ARTHROPODA) The third segment of a generalized limb; the second trochanter, or second segment of the telopodite; prefemur; see ...
n.; pl. ischia [Gr. ischion, hip] (ARTHROPODA: Crustacea) The third segment of a pereopod, or first segment of an endopod articulating with the basis; an ischiopodite.
n. [L. dim. insula, an island] A spot in a plaga differing in color.
n. [Gr. isos, equal; allelon, one another] An allele whose effect can only be distinguished from that of a normal allele by special techniques.
adj. [Gr. isos, equal; L. bis, twice; latus, side] Having bilateral symmetry where a structure can be divisible in two planes at right angles.
adj. [Gr. isos, equal; brachion, arm] A chromosome in which the centromere occupies the median position.
n. [Gr. isos, equal; chele, claw] 1. A chela with two like parts. 2. (PORIFERA) A diactinal microsclere with like recurved hooks, plates, flukes or anchor shaped at ...
adj. [Gr. isos, equal; chromos, color; soma, body] Monocentric or dicentric chromosome with equal and genetically identical arms which are mirror images.
n. pl. [Gr. isos, equal; L. socius, companion] A group of associated organisms with differing taxonomic affinities, at times used merely in the sense of habitat groups; see ...
adj. [Gr. isos, equal; kytos, container] Having cells of equal size or height.
adj. [Gr. isos, equal; daktylos, finger] Bearing digits of equal size.
adj. [Gr. isos, equal; dia, through; metron, measure] Having equal diameters or axes.
adj. [Gr. isos, equal; dictyon, net] (PORIFERA) Pertaining to a type of skeletal construction with spicules and/or fibers interlocking in a regular triangular pattern.
adj. [Gr. isos, equal; odous, tooth] (MOLLUSCA: Bivalvia) With hinge teeth arranged symmetrically; homodont.
n. [Gr. isos, equal; en, in; zyme, yeast] An enzyme differing in polymorphic states and isoelectric point, but having the same function; an isozyme.
n. [Gr. isos, equal; gamete, spouse] Outwardly similar male and female gametes.
n. [Gr. isos, equal; gamos, union] The mutual fertilization process of isogametes.
n. [Gr. isos, equal; genos, race] Lines on a gene map that connect points of identical gene frequency.
adj. [Gr. isos, equal; genos, race] A group of individuals that have the same genotype.
adj. [Gr. isos, equal; glottis, mouth of the windpipe] (NEMATA) Having metarhabdions situated at the same level; see anisoglottid.
n. [Gr. isos, equal; graphion, stylus] Tissue graft between animals of the same genotype.
n. [L. insula, island] A breeding population or group of populations isolated from other populations by physiological, behavioral, or geographic barriers.
n. [L. insula, island] Separation from similar forms.
isolecithal egg
An ova with yolk granules randomly distributed through the cell; a small amount of yolk; an oligolecithal egg; see centrolecithal egg.
n. [Gr. isos, equal; meros, part] Compounds of the same chemical composition but with different structures.
n. pl. [Gr. isos, equal; meros, part; -asis, enzyme] Enzymes which convert one chemical compound to another; said to be isomeric compounds.
adj. [Gr. isos, equal; meros, part] Equivalent genes which can each produce the same phenotype.
see isogamy.
adj. [Gr. isos, equal; meros, part] Having equal number of parts, ridges or markings; homoeomerous; see heteromerous.
n. [Gr. isos, equal; metron, measure] Growth of two body parts remaining constant relative to each other as body size increases.
adj. [Gr. isos, equal; morphe, form] Alike or identical in appearance; isomorphous; see anisomorphic.
n. [Gr. isos, equal; morphe, form] Similarity of organisms of different ancestry; see heteromorphic.
isomyarian condition
(MOLLUSCA: Bivalvia) Having adductor muscles equal or subequal in size; homomyarian.
n. [Gr. isos, equal; onyma, name] The new name of a species, or higher classification being based upon the older name or basinym.
n. pl.; sing. -us [Gr. isos, equal; L. palpus, feeler] Palpi with the same number of joints.
n. [Gr. isos, equal; phainein, to show] 1. A line connecting points of equal expression of a clinally varying character. 2. A line connecting areas in a region at which a ...
См. isophane.
n.; pl. isophena [Gr. isos, equal; phainein, to show] Maintaining the same form, except sometimes in size, after a growing- or repetition-molt.
adj. [Gr. isos, equal; phainein, to show] Showing characteristics of a phenotype.
adj. [Gr. isos, equal; pous, foot] Having the legs alike and equal.
n. [Gr. isos, equal; pyknos, thick] Chromosome or chromosome regions which do not differ greatly from each other.
adj. [Gr. isos, equal; pyge, rump] Having pygidium and cephalon equal in size.
n. [Gr. isos, equal; rhiza, root] (CNIDARIA) A form of nematocyst in which the tube is open and the same diameter along the tube, responding to mechanical stimuli, and is ...
adj. [Gr. isos, equal; strophe, turn] (MOLLUSCA: Gastropoda) Having two faces of the shell symmetrical with respect to a median plane perpendicular to axis.
adj. [Gr. isos, equal; temnein, to cut] The process of regularly repeated bifurcation as in crinoid branchia.
adj. [Gr. isos, equal; tropein, to turn] Singly refracting, as the light stripes of voluntary muscle fibers; see anisotropic.
n. [Gr. isos, equal; typus, image] 1. An animal, plant or group frequently found in two or more countries or life regions. 2. A specimen collected from the type locale or ...
isotypical genus
A description from more than one congeneric species.
see isoenzyme.
adj. [Gr. isthmos, neck] Connected by an isthmus-like part.
n. [L. fr. Gr. isthmos, neck, narrow place] (MOLLUSCA: Bivalvia) Part of the mantle that secretes the horny uncalcified material (conchiolin) of the ligament. 2. ...
adj. [L. iterare, to repeat; parere, to bear] Having the capability to reproduce two or more times during a lifetime.
jacket cells
(MESOZOA: Orthonectida) The ciliated somatoderm; the number of body rings and their arrangement is of taxonomic importance.
jaculatory duct
A region of the vas deferens through which sperm is emitted; see ejaculatory duct.
Johnston's organ
(ARTHROPODA: Insecta) A chordotonal organ located in the second segment of the antenna and functioning in sound perception, flight speed indicator or water wave perception.
n. [L. jungere, to join] An articulation of two successive segments or parts.
Jonstonian organ
see Johnston\'s organ.
Jordan's organ
see chaetosemata.
see microspecies.
adj. [L. jubatus, crested] Fringed with long, mane-like hairs.
judal tract
(MOLLUSCA: Polyplacophora) The upper surface of a valve immediately adjacent to the jugum, sometimes sculptured differently from the rest of the surface; dorsal area.
pl. of jugum.
jugal angle
(MOLLUSCA: Polyplacophora) The angle formed by the two halves of an intermediate valve.
jugal area
См. judal tract.
jugal bristles
(ARTHROPODA: Insecta) Bristles located on the edge of the jugal lobe.
jugal coverage
see valve coverage.
jugal fold
see plica jugalis.
jugal lobe
(ARTHROPODA: Insecta) A lobe at the base of the fore wing that makes contact with the hind wing to prevent the wings from moving out of phase.
jugal muscles
(MOLLUSCA) Thick longitudinal muscles at the base of the radular mass.
jugal region
1. (ARTHROPODA: Crustacea) In Decapoda, the anterolateral part on the ventral surface, located on opposite sides of the buccal cavity; pterygostomial region. 2. (ARTHROPODA: ...
jugal sinus
(MOLLUSCA: Polyplacophora) A depression between the sutural laminae of chitins.
jugal tract
(MOLLUSCA: Polyplacophora) The tegmentum surface, adjacent to the jugum.
jugo-frenate wing coupling
(ARTHROPODA: Insecta) Lepidoptera, wing coupling where the jugum is folded under the fore wings and holds the frenular bristles.
adj. [L. jugulum, collar bone, throat] Of or pertaining to the throat.
jugular sclerites
see cervical sclerite.
n. [L. jugulum, collar bone, throat] (ARTHROPODA: Insecta) 1. The median ventral plate of the head; see gula. 2. The jugum of the wing.
n.; pl. -ga [L. jugum, yoke] 1. (BRACHIOPODA) The medial connection of the secondary shell between 2 primary lamellae of the spiralia. 2. (ARTHROPODA: Insecta) a. In ...
Julien's organ
see corema.
adj. [ Julus, generic name; L. forma, shape] (ARTHROPODA: Diplopoda) Having a cylindrical trunk and fused tergites, pleurites, and sternites as in the order Julida.
junctional complex
Specialized area of adhesive contact between cells.
junior homonym
The more currently published of two or more identical names for the same or different taxa; see homonym, senior homonym.
junior synonym
The more currently published of two or more available names for the same taxon; see synonyms, senior synonym.
adj. [L. juvenilis, young] 1. A nonscientific colloquial term used to denote any stage of development prior to adulthood. 2. Often restricted to that stage immediately ...
juvenile hormone
(ARTHROPODA: Insecta) A hormone of larvae produced by the corpora allata that controls the way the larval cells differentiate at each molt.
n. [L. juxta, near] (ARTHROPODA: Insecta) 1. In Diptera, an eversible membranous distal section of the male intromittent organ. 2. In male Lepidoptera, a sclerotized ...
n. [L. juxta, near; cardo, hinge] (ARTHROPODA: Insecta) An extension of the cardo from cardo proper toward the submentum.
juxtacoxal carina
(ARTHROPODA: Insecta) In Ichneumonidae, an arched carina cutting off a lenticular area of the lower part of the metapleura; when complete, the carina arches between the ...
n. [L. juxta, near; positus, place] A placing or being placed side by side.
n. [L. juxta, near; stipes, stalk] (ARTHROPODA: Insecta) An extension of the stipes toward the mentum.
Any species of organism using a survival and reproductive strategy characterized by low fecundity, low mortality, longer life, and having populations approaching the carrying ...
n. [Gr. kairos, fit; hormaein, to exite] A chemical substance, produced or acquired by an organism, that upon contact with an individual of another species evokes a ...
n. [Gr. kalymma, hood] Matrix material which is thought by some authors to surround the components of chromosomes.
see nucleoplasm.
adj. [Gr. karyon, nucleus; klastos, broken in pieces] Agents that inhibit mitosis without killing the cell.
n. [Gr. karyon, nucleus; gamos, marriage] The union of male and female nuclei during the process of syngamy.
n. [Gr. karyon, nucleus; kinesis, movement] Nuclear division as opposed to cytokinesis.
see nucleoplasm.
n. [Gr. karyon, nucleus; lysis, a loosing] Disappearance of the interphase nucleus at the beginning of karyokinesis; dissolution of the nucleus.
n. [Gr. karyon, nucleus; meros, part] Any of a series of micronuclei formed in cells in which the chromosomes diverge at anaphase.
n. [Gr. karyon, nucleus] The cell nucleus.
n. [Gr. karyon, nucleus; plasma, formed or molded] The protoplasm of the nucleus; nucleoplasm.

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