Слова на букву capi-clyp (732) Dictionary of invertebrate zoology
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Слова на букву capi-clyp (732)

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adj. [L. capillus, hair] Having a covering of long slender hair.
capilliform chaeta
(ANNELIDA) A long, undivided dorsal hair.
see cucullus.
adj. [L. caput, head] An apical knoblike enlargement or a headlike structure; capitate antenna or hairs.
see capitulum.
capitular apodeme
(ARTHROPODA: Chelicerata) In Acari, an apodeme separating the cheliceral frame and the infracapitulum.
capitular saddle
(ARTHROPODA: Chelicerata) In Acari, that area of the cervix separating the two cheliceral grooves.
adj. [L. caput, head; forma, shape] Having an enlarged terminal part, like a capitulum.
capituliform tooth
(MOLLUSCA) The broad, flat-topped, outermost admedian on either side of the radula.
n.; pl. -la [L. caput, head] 1. A small knoblike protuberance. 2. (ARTHROPODA: Chelicerata) The anterior body region of a mite or tick which bears the mouth parts; the ...
n. [L. caprificus, wild fig tree] The method or process of pollination by Blastophaga psenes, a chalcid fig wasp, that breeds in wild capri figs and serves to pollinate Smyrna ...
n. [L. caprificus, wild fig tree] (ARTHROPODA: Insecta) The chalcid fig wasp, Blastophaga psenes that performs the process of caprification.
n.; pl. -lae [L. dim. capsa, box] A capsule.
См. capsulate.
capsular flame cells
Flame cells that open directly into a bladder at the end of a canal.
adj. [L. dim. capsa, box] In the form of, or enclosed within a capsule.
n. [L. dim. capsa, box] A sac-like membrane resulting from macroscopic alien objects enclosing an organ, egg, foreign body, etc; see giant cell.
n.; pl. -ula [L. captare, to snatch at, catch] (MOLLUSCA: Scaphopoda) One of numerous slender retractile tentacles with sucker-like tips, arising from the dorsal surface of ...
adj. [L. capulus, holder; forma, shape] (MOLLUSCA: Gastropoda) Having the shape of a depressed cone with eccentric apex and near-apical part of the shell slightly coiled, ...
n.; pl. capita [L. caput, head] 1. The head or knob-like protuberance. 2. The head with all its appendages.
n. [LL. cappa, hood] (ARTHROPODA: Insecta) A hump on the dorsal aspect of the segments of many insect larvae.
adj. [Gr. karabos, a kind of beetle] (ARTHROPODA: Insecta) Resembling Carabidae; a carabid beetle; the second instar larvae of Meloidae, the blister beetles.
См. carabidoid.
n. [Sp. carapacho, covering] 1. Any fused series of sclerites covering a portion of the body. 2. (ARTHROPODA: Chelicerata) a. In Acari, the more or less fused dorsal ...
carapace angles
(ARTHROPODA: Crustacea) In Conchostraca, the intersection of the straight dorsal margin by the anterior and posterior ribs.
carapace carina
(ARTHROPODA: Crustacea) The narrow ridge on the surface of a carapace.
carapace costae
(ARTHROPODA: Crustacea) Fine to coarse closely spaced radial ridges, that do not cross the umbo; radial lirae.
carapace costellae
(ARTHROPODA: Crustacea) Fine radial ridges, extending from the ventral margin to and across the umbo, generally numerous on any given valve, especially in Conchostraca.
carapace groove
(ARTHROPODA: Crustacea) Various types of furrows on the surface of a carapace.
carapace growth line
(ARTHROPODA: Crustacea) The peripheral margin of successive membranes added to the shell during each molt.
carapace horn
(ARTHROPODA: Crustacea) The anterodorsal termination of carapace valves in some archaeostracans; in others, may be indurated or produced into long processes.
carapace lirae
(ARTHROPODA: Insecta) Linear concentric ridges parallel to and interspaced between the growth lines.
carapace region
(ARTHROPODA: Crustacea) Differentiated portion of the surface of a carapace.
carapace spines
(ARTHROPODA: Crustacea) Variously placed, sharp projections from the carapace.
carapace tooth
(ARTHROPODA: Insecta) Various blunt or small sharp spinous projections on a carapace, often broader than a spine.
n. pl. [L. carbo comb. form, carbon; Gr. hydor, water] Compounds containing carbon, hydrogen and oxygen in the ratio of 1:2:1; see monosaccharide, disaccharide, ...
adj. [Gr. karkinos, crab; eidos, like] Pertaining to or resembling crabs.
n. [Gr. karkinos, crab; logos, discourse] That branch of zoology that studies Crustacea.
cardate mastax
(ROTIFERA) In the genus Lindia, a sucking type of mastax characterized by forked manubria with the sucking action produced by the unci.
n. [Gr. kardia, heart] 1. (ARTHROPODA: Insecta) An anterior cardiac chamber of the midgut of Diptera; the proventriculus of some authors. 2. (BRYOZOA) Part of the ...
adj. [Gr. kardia, heart] Pertaining to or near the heart.
cardiac notch or incision
(ARTHROPODA: Crustacea) Indentation on the posterior margin of a carapace.
cardiac pyloric valve
(ARTHROPODA: Crustacea) In Decapoda, a calcified triangular plate that may be flat or curved, generally covered with elongate setae pointing backwards, or covered by a thick ...
cardiac region
(ARTHROPODA: Crustacea) In Decapoda, the median part posterior to the cervical groove, between the urogastric and intestinal regions.
cardiac sinus
(ARTHROPODA) The dorsal part of the embryonic hemocoel of certain arthropods, that corresponds to a circulatory system, a part of which becomes the lumen of the dorsal ...
cardiac sphincter
(ARTHROPODA: Insecta) Circular muscles at the entrance to the midgut of certain insects; cardiac valve; stomodeal valve.
cardiac stomach
1. (ARTHROPODA: Crustacea) In Decapoda, the anterior portion of the stomach. 2. (BRYOZOA: Phylactolaemata) That part of the stomach between the cardiac valve and ...
cardiac tooth
(ARTHROPODA: Insecta) In Decapoda, a tooth on the mid-line of a carapace just posterior to the cervical groove.
cardiac valve
1. A valve at the junction of the foregut and midgut of many invertebrates. 2. (NEMATA) see cardia.
adj. [Gr. kardia, heart; L. forma, shape] Resembling the shape of a heart.
adj. [L. cardo, hinge] 1. (ARTHROPODA: Insecta) Referring to the cardo. 2. (MOLLUSCA: Bivalvia) Applied to the central or principal teeth in the hinge of a shell.
cardinal area
1. (BRACHIOPODA) The posterior sector of the articulate valve. 2. (MOLLUSCA: Bivalvia) A flat or curved surface between the beak and the hinge line.
cardinal axis
(MOLLUSCA: Bivalvia) An imaginary line on which the shell valves are hinged.
cardinal cell
see triangle.
cardinal costa
(MOLLUSCA: Bivalvia) A ridge marking the cardinal area from the outer face of the shell.
cardinal crura
(MOLLUSCA: Bivalvia) Narrow teeth radiating from the apex of the ligament pit.
cardinal margin
(BRACHIOPODA) The curved posterior margin of the shell.
cardinal plate
(BRACHIOPODA) A plate extending across the posterior end of the brachial valve, consisting of outer hinge plates and inner hinge plates or plate.
cardinal platform
(MOLLUSCA: Bivalvia) An internal plate containing teeth below the beak and adjoining parts of the dorsal margin; hinge plate.
cardinal process
(BRACHIOPODA) A blade or boss of the secondary shell placed medially in the posterior end of the brachial valve for the separation or attachment of the diductor muscles.
cardinal tooth
(MOLLUSCA: Bivalvia) The hinge tooth positioned near the beak.
The cardines; see cardo.
adj. [L. cardinalis, pert. to a hinge] (BRACHIOPODA) Outgrowths of the secondary shell in the posteromedian region of the brachial valve, functioning in articulation, ...
pl. of cardo.
adj. [L. cardo, hinge; Gr. sternon, chest] (ARTHROPODA: Insecta) Of or pertaining to the cardo and the sternum of a labial segment.
adj. [L. cardo, hinge; a stipes, a stem] (ARTHROPODA: Insecta) Pertaining to the cardo and stipes taken together.
n.pl [Gr. kardia, heart; blastos, bud] (ARTHROPODA: Insecta) Special cells during embryology that originate from the upper angle of the coelomic sac to form the heart and ...
n. [Gr. kardia, heart; koilos, hollow] The coelom that forms the pericardium.
adj. [Gr. kardia, heart; koilos, hollow] Pertaining to the venous openings from the heart to the body cavity.
n., pl. cardines [L. cardo, hinge] 1. A hinge or turning point. 2. (ARTHROPODA) a. A basal segment or division of the maxillary appendage. b. In Diplopoda, seen ...
adj. [L. cardo, hinge; sub, under; mentum, chin] (ARTHROPODA: Insecta) Pertaining to the cardo and the submentum.
caridean lobe
(ARTHROPODA: Crustacea) In caridean shrimps, an external rounded projection on the basal part of the exopod of the first maxilliped.
caridoid facies
(ARTHROPODA: Crustacea) A group of characters that distinguish primitive eumalacostracan crustaceans: enclosure of the thorax by the carapace, movable stalked eyes, ...
n., pl. -nae [L. carina, keel] 1. Any keel-like structure or elevated ridge. 2. (ARTHROPODA: Crustacea) a. A well defined projecting ridge on the outer surface of the ...
carinal latus
(ARTHROPODA: Crustacea) The plate on each side of the carina of a lepadomorph barnacle.
carinal margin
(ARTHROPODA: Crustacea) In thoracic barnacles, the edge of any plate adjacent to the carina, and occluding with the carinal margin of the opposed tergum.
adj. [L. carina, keel] 1. Ridged or keeled; furnished with raised lines or ridges. 2. Possessing a carina. 3. (ARTHROPODA: Crustacea) In Conchostraca, a valve bearing ...
adj. [L. carina, keel; forma, shape] Keel-shaped; tropeic.
n. [L. carina, keel; lateralis, of the side] (ARTHROPODA: Crustacea) One of a pair of compartmental plates of balanomorph barnacles, usually overlapping the carina on each ...
adj. [L. caries, decay] Decayed; having surface depressions; corroded.
См. carminated.
adj. [Ar. qirmiz, deep red] Mixed or stained with carmine.
n. [Ar. qirmiz, deep red] A crimson dye derived from the cocineal insect Coccus cacti that is used as a histological stain.
adj. [L. carnosus, fleshy] Resembling flesh in color or substance.
n. [L. carnis, flesh; vorare, to devour] A flesh eater, i.e., an animal preying on other animals or feeding on their flesh.
adj. [L. carnis, flesh; vorare, to devour] Eating or living on flesh or other animals.
n. [L. carnis, flesh] (BRYOZOA) Those autozooids budded directly from other autozooids, or alternate with other groups of kenozooids.
adj. [L. carnosus, fleshy] Pertaining to a soft, fleshy substance.
Carolinian Faunal Area
The humid division of the Upper Austral zone, including much of the eastern United States from southern New England to Georgia, and extending west to the 100th meridian.
n. pl. [Gr. karyon, nut; lytikos, loosing] Numerous small nucleated masses of protoplasm, probably derived from muscles, minute grains and other fragments of disintegrating ...
n. [L. carota, carrot] An important hydrocarbon pigment in plants and animals; -carotene, C40 H56 , also known as provitamin adj. carotenoid adj..
n. [L. carota, carrot; Gr. phorein, to bear] A pigmented stigma or eye-spot.
see carotene.
see astaxanthin, insectoverdin, pterine pigments.
n. [L. carpus, wrist; Gr. keras, horn] (ARTHROPODA: Crustacea) The distal segment (5th) of the antennal peduncle.
adj. [Gr. karpos, fruit; phagein, to eat] Feeding on fruit.
(ite) n. [L. carpus, wrist; Gr. pous, foot] 1. (ARTHROPODA) The fifth segment of a generalized arthropod appendage. 2. (ARTHROPODA: Chelicerata) The patella. 3. ...
n.; pl. carpi [L. carpus, Gr. wrist] 1. The wrist. 2. (ARTHROPODA: Crustacea) The antepenultimate segment of the thoracopod or pereopod; the carpopod(ite). 3. (ARTHROPODA: ...
carrefour area
(MOLLUSCA: Gastropoda) In certain pulmonates, that area into which the hermaphroditic duct discharges, a large albumen gland and small fertilization pouch open, and the ...
carrier cell
(PORIFERA) A migratory choanocyte that transports sperm to the oocyte.
carrier state
A type of attenuated infection characterized by the presence of a pathogenic microorganism within or upon host tissues.
n. [L. caries, decay] The dead or putrefying flesh of an animal.
n. [L. cartilago, gristle] 1. A translucent, elastic substance. 2. (MOLLUSCA) a. In Bivalvia, a supplement to the ligament that controls the opening of the valves. b. In ...
cartilage pit
(MOLLUSCA: Bivalvia) A depression for the inner part of the ligament.
adj. [L. cartilaginosus, gristle] Pertaining to cartilage in structure or appearance.
n. [L. carta; leaf of paper] (ARTHROPODA: Insecta) Any paper- like material made and used by insects in the construction of shelters.
n. [L. dim. caro, flesh] 1. A fleshy excrescence or protuberance. 2. (ANNELIDA) A sensory lobe extending behind the prostomium. 3. (ARTHROPODA: Chelicerata) In Acari, ...
see also kary-.
См. carolites.
n. [ON. kasta, throw] 1. Anything that is shed in a form resembling the original. 2. (ANNELIDA: Oligochaeta) The excrement of an earthworm. 3. (ARTHROPODA: Insecta) The ...
adj. [L. castanea, chestnut] Pertaining to or of the color of a chestnut; brown; sepia.
n. [L. castus, pure] (ARTHROPODA: Insecta) 1. A group of individuals of a particular morphological type, age group, or other, that performs special functions in a colony. 2. ...
caste polyethism
(ARTHROPODA: Insecta) In social insects, morphological castes that are specialized for the functions which they perform; see polyethism, age polyethism.
n. [ON. kasta, throw] 1. Material discarded or cast off by an animal. 2. (ANNELIDA: Oligochaeta) The excrement of an earthworm.
n. [L. castratus, geld] Any process that inhibits or interferes with the production of mature ova or spermatozoa in the gonads of an organism.
castration nutriciale
(ARTHROPODA: Insecta) In Hymenoptera, the condition of undeveloped gonads in young adult females due to devoting itself to nursing larval forms instead of herself taking on ...
see also kat-
n. [Gr. kata, down; bolein, to throw] The destructive phase of metabolism, including the processes involved with converting complex compounds into simpler ones, especially ...
n. pl. -ata [Gr. kata, down; choma, mound] (MOLLUSCA: Bivalvia) One of many small pits in the peripheral, inner surface of the left valve for reception of an anachoma.
adj. [Gr. kata, down; kinesis, movement] Pertaining to molecules, atoms or protoplasm low in energy content; see anakinesis.
n. [Gr. kata, down; allassein, to change] An enzyme found in essentially all living cells except anaerobic bacteria that catalyzes the decomposition of hydrogen peroxide to ...
n. [Gr. katalepsis, seizure] A state of immobilization in which the body and limbs are often plastic with muscle rigidity in the limbs retaining any unusual position into ...
См. catalogue.
n. [Gr. kata, down; legein, to pick out] An index to taxonomic literature arranged by taxa including the most important taxonomic and nomenclatural references to the taxon ...
n.; pl. -ses [Gr. kata, down; lyein, to dissolve] An alteration in velocity of a reaction due to the presence of a catalyst.
n. [Gr. kata, down; lyein, to dissolve] A substance that causes an acceleration of a chemical reaction and remains itself unchanged in the process, or is reconstituted at the ...
См. cataphractus.
n. [Gr. kata, down; phrassein, to enclose] Armored with a hard callous skin, or with closely united scales.
n. [Gr. kata, down; plastos, to spread over] Regressive change or decline; reversion to a more primitive character.
adj. [Gr. kataplassein, to spread over] Irregular galls caused by parasites or other factors.
see coxopleurite.
n. [Gr. kata, down; plessein, to strike] Feigning death; see catalepsy.
n. [Gr. katastrophe, overturning] Cuvier\'s explanation of geological catastrophies resulting in the existence of fossil faunas.
see katatrepsis.
n.; pl. -nabe [L. catena, chain] (ARTHROPODA: Insecta) In male Lepidoptera, a series of longitudinal scale-like dentations on a membranous plate, covering the proximal ...
n. [L. catena, chain] An arrangement, connection or succession in a regular series; a chain.
see catenulate.
adj. [L. dim. catena; chain] In chainlike form; color markings or indentation on butterfly wings, or shells.
n. [LL. cattus, cat; pilosus, hairy] (ARTHROPODA: Insecta) An eruciform larva; the wormlike larva of a butterfly, moth, sawfly or scorpionfly.
n. [Gr. kata, down; ienai, to go] Any ion bearing a positive charge; cationic a; see anion.
n. [Gr. kata, down; L. processus, go forward] (ARTHROPODA: Insecta) The lowest process of each half of the anal segment; subanal lobe; subanal appendage.
n. [L. cauda, tail] A tail or tail-like appendage; extension of the anal segment, or appendage terminating the abdomen.
adv. [L. cauda, tail; ad, toward] Toward the tail region or posterior end of the body; see cephalad.
adj. [L. cauda, tail] Pertaining to a tail or tail-like appendage or extremity; located at or on the tail.
caudal alae
(NEMATA) Lateral cuticular extensions on the posterior end of male nematodes; the bursa.
caudal appendage
1. (ARTHROPODA: Crustacea) One of the terminal, multiarticulate or simple, uniramous paired appendages of barnacles, homologous with caudal furca of other crustaceans. ...
caudal bursa
(NEMATA) A peloderan bursa that completely encloses the male tail.
caudal fan
1. (ARTHROPODA: Crustacea) A structure formed of laterally expanded uropods and telson that functions in swimming or steering and balancing; tailfan. 2. (ARTHROPODA: ...
caudal filaments
(ARTHROPODA) 1. Thread-like processes at the posterior end of the abdomen; see cercus. 2. For Crustacea see caudal ramus.
caudal furca
(ARTHROPODA: Crustacea) Paired caudal rami of the terminal abdominal segment or telson; small lobes or spines situated near the terminus of the telson.
caudal gills
(ARTHROPODA: Insecta) In Odonata, the three external gills extending from the end of the body of zygopteran larvae.
caudal glands
Glands of the tail region of many invertebrates, i.e., spinneret, cement gland, adhesive gland.
caudal ocelli
(ANNELIDA: Hirudinoidea) In piscicolid leeches, eyespots on the caudal sucker.
caudal papillae
(NEMATA) Papillae located on the tail.
caudal pore
(NEMATA) The spinneret.
caudal process
(ARTHROPODA: Crustacea) In Ostracoda, the posterior, upward projection of the valve border.
caudal ramus
pl. rami (ARTHROPODA: Crustacea) One of paired appendages, usually rodlike or bladelike, sometimes filamentous and multiarticular just anterior to the anal segment or ...
caudal setae
see cercus.
caudal shield
(SIPUNCULA) A flat and circular or sub-conical, furrowed or grooved, horny cap at the posterior extremity of the trunk.
caudal siphon
(ARTHROPODA: Crustacea) In Ostracoda, the posteroventral opening in the valve border, sometimes a tubular structure.
caudal style
see caudal ramus.
caudal supplements
(NEMATA) Papillate glandular structures on the ventral surface in the caudal region of the male.
caudal sympathetic system
see stomogastric nervous system.
caudal vesicle
(ARTHROPODA: Insecta) In braconid larvae, the hindgut everted through the anus forming a vesicle responsible for about one third of the total gaseous exchange.
caudal wing
(NEMATA) The bursa.
n. pl. [L. cauda, tail; labia, lip] (ARTHROPODA: Insecta) In Coccidae, the labiae of the abdomen.
n. [L. cauda, tail; -aria, a thing like] (ARTHROPODA: Insecta) The notal wing process on the posterior part of each lateral margin of the scutum.
n. [L. cauda, tail] (NEMATA) A cephalid (subcuticular nerve commissure) located slightly anteriad of the anus.
adj. [L. cauda, tail] 1. Bearing a tail or tail-like appendage. 2. (MOLLUSCA) Having the columella of a univalve shell elongated at the base.
adv. [L. cauda, tail; Gr. kephale, head] Directed toward the head from the caudal region.
n.; pl. -lae [L. dim. cauda, tail] A little tail.
n. [L. caulis, stalk] (ARTHROPODA: Insecta) The fat bodies of larvae, thought to produce the organs of the future adults; epiploon.
adj. [L. caulis, stalk] Being intermediate between sessile and stalked.
n.; pl. -li [L. dim. caulis, stalk] (ARTHROPODA: Insecta) The larger of the two stalks supporting the calyx of the mushroom body of the protocerebral lobes.
adj. [L. caulis, stalk; forma, shape] Stemlike.
adj. [L. caulis, stalk; Gr. gaster, stomach] (ARTHROPODA: Chelicerata) Pertaining to those of the subphylum that are narrowly joined between prosoma and opisthosoma; see ...
adj. [L. caulis, stalk] (CNIDARIA: Hydrozoa) A term used to describe nematotheca attached to the main stem of a hydroid colony.
n.; pl. caules [L. caulis, stalk] (ARTHROPODA: Insecta) The funicle of the antenna; the corneous basal part of the jaws.
n. [Gr. kaulos, stem] (CNIDARIA: Hydrozoa) An erect stem or stalk of a solitary polyp.
causal agent or organism
Any organism or chemical that induces a given disease; a causative agent.
adj. [L. cavus, hollow] Hollowed out; cave-like.
adj. [L. caverna, cave; colare, to inhabit] Inhabiting caves.
adj. [L. cavernosus, full of hollows] Full of cavities or hollow spaces; divided into small spaces.
n.; pl. -ties [L. cavus, hollow] A hollow space or opening.
see caecum.
n. [Gr. dim. kekis, gall] A gall.
adj. [Gr. kekis, gall; gennaein, to produce] Producing galls on plants, as by insects and nematodes.
n.; pl. caeca [L. caecus, blind] 1. A pouch or saclike cavity extending from the alimentary canal with an opening at only one end. 2. (BRACHIOPODA) Evagination of the outer ...
n. [L. caelum, sky] The maximum population density for a given set of circumstances.
n. [L. cella, chamber] 1. A unit consisting of a nucleus and cytoplasm surrounded by a cell membrane that collectively make up the structural and functional unit in plants ...
cell body
see neuron.
cell constancy
A situation in many microscopic invertebrates where the multiplication of cells ceases at hatching, except for the reproductive system, and growth is by enlargement of ...
cell culture
The growing of cells in vitro.
cell division
The reproduction of cells by karyokinesis and cytokinesis.
cell doctrine
see cell theory.
cell lineage
Following individual blastomeres to their ultimate fate in the formation of definite parts of the organism.
cell membrane
see plasma membrane.
cell organ
A differentiated part of a cell that has a special function, such as a centrosome, organoid, or organelle.
cell theory
All organisms are composed of cell(s); a cell is the smallest unit of matter that is alive (functional unit) proposed by Schwann for animals in 1838-40; cells are the ...
cell wall
A thin, nonliving sheath or pellicle that lies outside the plasma membrane of certain animal cells; more generally applicable to plant cells.
adj. [L. cella, chamber; fugare, to flee] Passing from a cell; see cellipetal.
adj. [L. cella, chamber; petere, to seek] Passing towards a cell.
cells of Semper
(ARTHROPODA: Insecta) The cells of the crystalline eye cone, whose intercellular membranes form a cruciform pattern when the cone is seen in transverse section.
n. pl. [L. dim. cella, chamber] (ARTHROPODA: Insecta) Round or oval-like areas on the exocuticle of certain Coccidae (Lecaniidae); dermal pores; dermal cells.
cellular affinity
(PORIFERA) Pertaining to the selective adhesiveness found among the cells.
n. [L. dim. cella, chamber] A digestive enzyme that hydrolyzes cellulose in food.
n. [L. dim. cella, chamber] 1. A small cell. 2. (ARTHROPODA: Insecta) A small area between the veins of an insect wing, usually a completely enclosed area.
cellules en crois
(PORIFERA) Non-flagellated cells arranged in a tetraradial fashion in the amphiblastula of Calcaronea.
n. [Anders Celsius] The name of the temperature scale having 100 divisions or degrees between freezing (0 ) and boiling (100 ); abbrev. C.; formerly called centigrade.
n. [L. caementum, chips (now applied to a substance used as a "binder")] A substance produced by various invertebrates and utilized as an adhesive protective layer.
cement gland
1. Any of certain glands of invertebrates that secrete an adhesive substance. 2. (ACANTHOCEPHALA) A gland or glands near the male testes that secretes a binding medium that ...
cement layer
1. (ARTHROPODA: Chelicerata) In Acari, the outer layer of cerotegument. 2. (ARTHROPODA: Insecta) The thin layer outside the wax of certain insect bodies, that may consist ...
cement sac
That portion of an invertebrate oviduct that functions in covering eggs.
n.; pl. cenchri [Gr. kenchros, millet] (ARTHROPODA: Insecta) In Hymenoptera, specialized lobes on the metanotum of certain sawflies that contact with rough areas on the ...
see coenenchyma.
См. caenogenesis.
adj. [Gr. koinos, common; gennaein, to produce] Oviparous at one season of the year and at other times viviparous.
См. coenosis.
n. pl. [Gr. kainos, recent; L. species, kind] Species that can interbreed.
adj. [Gr. kainos, recent; zoe, life] A geological history from the beginning of the Tertiary to the present, that saw a rapid evolution of mammals, birds, grasses, shrubs, ...
see celsius.
n. [L. centum, hundred; metron, measure] One hundredth (.0l) part of a meter or two fifths (0.3937) of an inch. Abbrev. cm; see meter.
adv. [Gr. kentron, center; L. ad, toward] Toward the center or interior.
n. [Gr. kentron, center; aden, gland] (CNIDARIA: Hydrozoa) A type of siphonophore hydroid colony.
central area
1. (MOLLUSCA: Polyplacophora) The upper surface of an intermediate valve, lying centrally, and sometimes differing in sculpture from the lateral areas. 2. (NEMATODA: ...
central cell
(PORIFERA) A cell located in the cavity of a choanocyte chamber.
central nervous system
In invertebrates, a system to which the sensory impulses are transmitted and from which motor impulses pass out. a. In radially symmetric animals, structured in the form of one ...
central region
(ARTHROPODA: Insecta) The costal region of a wing.
central symmetry system
(ARTHROPODA: Insecta) The median field of the moth wing pattern delimited basally and distally by the light central line of the transverse, anterior and posterior lines.
central tube
(NEMATA) The sclerotized cylindrical axis of the head skeleton of nematodes, through which the stylet extends during feeding.
centric fusion
The fusion of two acrocentric chromosomes to form a single metacentric chromosome through translocation and as a rule, the loss of a centromere.
adj. [Gr. kentron, center; L. fugare, to flee] 1. Turning from or being thrown away from the center. 2. Moving toward the periphery, as nerve impluses.
n. [Gr. kentron, center] Either of the two minute spherical bodies in a cell center that migrates to opposite poles during cell division and serves to organize the alignment ...
adj. [Gr. kentron, center; L. petere, to move toward] Turning inwardly from the outside or periphery; toward the center; see centrifugal.
centripetal canal
(CNIDARIA) One of numerous blind canals running from the circular canal toward the apex of the bell in certain jellyfish.
n. [L. centrum, sting] (ARTHROPODA: Insecta) In Hymenoptera, the sting.
adj. [Gr. kentron, center; L. dorsum, back] 1. Referring to central and dorsal. 2. (ECHINODERMATA: Crinoidea) Pertaining to a cirriferous ossicle, fused or semifused, ...
adj. [Gr. kentron, center; gennaein, to produce] 1. Growing from the center. 2. (PORIFERA) A spicule growing from a common center.
centrolecithal egg
(ARTHROPODA) A type of arthropod egg in which the nucleus is located centrally in a small amount of nonyolky cytoplasm surrounded by a large mass of yolk until fertilized; ...
n. [Gr. kentron, center; meros, part] The part on the chromosome where it becomes attached to the spindle.
n. [Gr. kentron, center; phormis, basket] Round basket-like Golgi bodies.
see centrosome.
n. [Gr. kentron, center; soma, body] A specialized area of condensed cytoplasm that contains the centrioles at the beginning of mitosis; also called centrosphere, ...
see centrosome.
adj. [Gr. kentron, center; tylos, knob] (PORIFERA) In diactinal monoaxons, having the knob near the middle of the shaft of a spicule.
n.; pl. -trums [Gr. kentron, center] A center or central mass.
adv. [Gr. kephale, head; L. ad, toward] Toward the head or anterior end; rostrad; see caudad.
n. [Gr. kephale, head; -aria, a thing like] (ARTHROPODA: Insecta) In a generalized insect, the alaria present on each lateral margin of the prescutum anterior to the ...
adj. [Gr. kephale, head] Having a head or head-like structure.
n. [Gr. kephale, head; etron, belly] (ARTHROPODA: Chelicerata) The anterior body region of Limulidae, the horseshoe crabs.
adj. [Gr. kephale, head] Pertaining to the head or anterior end.
cephalic bristles
(ARTHROPODA: Insecta) In Diptera, specialized bristles occurring on the head.
cephalic cage
(ANNELIDA: Polychaeta) Long forwardly directed setae encircling the mouth.
cephalic capsule
(NEMATA) An internal modification of the cephalic cuticle forming an endoskeletal helmet, often posteriorly delimited by a distinct groove on the exterior cuticle.
cephalic constriction
(ARTHROPODA: Crustacea) In Myastacocarida, a constriction delimiting anterior antennulary part of the head from the posterior part.
cephalic flexure
(ARTHROPODA: Crustacea) In Decapoda, forward, or occasionally upward, deflection of the anterior sterna.
cephalic foramen
(ARTHROPODA: Insecta) The posterior or occipital foramen of the head through which the alimentary canal and other organs pass.
cephalic framework
(NEMATODA: Secernentea) A subcuticular framework that supports the lip region, and to which are attached the stylet protractor muscles.
cephalic gland
(ARTHROPODA: Insecta) A gland opening on to the labium and connecting with the ventral tube by a groove in the cuticle in the ventral midline of the thorax, that secrets ...
cephalic grooves
См. cephalic slits.
cephalic heart
(ARTHROPODA: Insecta) In Odonata, a specialized pulsating organ that exerts pressure against the egg-shell in hatching and forces out a cap-like operculum; a pulsating organ. ...
cephalic hood
(MOLLUSCA: Bivalvia) A chitinous covering protecting the anterior adductor muscle at a young burrowing stage.
cephalic incision
(NEMATA) Anterior extensions of the cephalic suture dividing the posterior part of the capsule into lobes.
cephalic lobes
1. (ARTHROPODA: Insecta) In embryology, the region of the prostomium, and usually that of the tritocerebral somite. 2. (NEMERTEA) Brain lobes on the expanded anterior ...

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