Слова на букву eleu-frin (732) Dictionary of invertebrate zoology
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n. [L. femur, thigh] 1. (ARTHROPODA: Chelicerata) a. In spiders, the thigh; normally the stoutest segment, articulating to the body through the trochanter and coxa and ...
n.; pl. -trae [L. fenestra, window] 1. A small opening; a window. 2. An opening through a shell; a foramen. 3. (ARTHROPODA: Insecta) a. Transparent spots or marks on the ...
fenestrate colony
(BRYOZOA) An erect colony in which the branches form a reticulate pattern.
n. [L. dim. fenestra, window] (ARTHROPODA: Insecta) In Orthoptera, a transparent spot in the anal area of the anterior wings; see fenestra.
n. [L. dim. fenestra, window] (BRYOZOA) A small opening between branches of a fenestrate colony.
n. [F. fente, a hole] (MOLLUSCA: Bivalvia) An opening or slit near the hinges when the valves are closed.
adj. [L. ferus, wild, untamed] Undomesticated; wild; uncultivated.
see enzyme.
fermentation chambers
(ARTHROPODA: Insecta) A tube or pouch in the hind gut where food materials are broken down by various bacteria or protozoa.
adj. [L. ferreus, of iron] The color metallic gray resembling polished iron.
adj. [L. ferrugineus, like iron rust] Rusty red-brown in color.
n. [L. dim. viria, bracelet] (NEMATA) A ring or bushing making a tight joint between the odontostyle and odontophore.
adj. [L. fertilis, fruitful] Producing viable gametes, capable of producing viable eggs or living offspring; fertility n.
n. [L. fertilis, fruitful] Fusion of two gametes, especially of their nuclei, to produce a zygote.
fertilization cone
Protuberance on an ovum where the spermatozoon fuses with the ovum.
fertilization membrane
A delicate membrane that grows outward from the point of contact of the egg and spermatozoon and rapidly covers the surface of the egg.
n. [L. fertilis, fruitful] A chemical causing species specific attachment of spermatozoon to ovum.
adj. [L. festivus, holiday, feast] Having a variety of colors.
n. [F. feston, garland] Garlands hanging in curves.
n. pl. [F. feston, garland] (ARTHROPODA: Chelicerata) Sclerites on the posterior margin of the opisthosoma of certain hard ticks.
adj. [L. fetidus, stinking] Having a disagreeable odor; malodorous.
n. [L. fibra, thread] 1. Any thread-like structure. 2. (PORIFERA) A column more homogeneous than a tract.
fiber layers
(NEMATA) Cuticular strata of dense connective-like tissue that is oblique, ribbonlike, possibly spiral (mesocuticle).
n.; pl. -llae [L. dim. of fibra, thread] Small fibers or threads within cells.
fibrillar layer
(NEMATA) In ascarids, a cuticular stratum that consists of a condensation of spongy matrix forming a closely woven network between the internal cortical layer and the ...
n. [L. fibra, thread] A fibrous protein that constitutes muscular tissue and facilitates blood clotting or coagulation.
n. [L. fibra, thread; gigno, producing] A protein substance of the blood and other body fluids facilitating the production of fibrin.
n. [L. fibra, thread; Gr. kytos, container] Elongated cells derived from connective tissue cells, the fibroblasts, functioning in the production of fibrous tissue.
n. [L. fibra, thread] (ARTHROPODA) 1. A protein found in silk and webs. 2. (ARTHROPODA: Insecta) In Bombyx, a unique protein containing an unusual amount of the simpler ...
n. [L. fibra, thread; Gr. plasma, molded] (NEMATA) That portion of a muscle cell differentiated into contractile fibers; see sarcoplasm.
fibrous ligament
(MOLLUSCA: Bivalvia) The fibrous part of a ligament in which the conchiolin is impregnated with calcium carbonate; elastic to compression.
see jugal lobe.
v.t. [L. fidus, trustworthy] Used to indicate that the author has not seen the work or specimen cited.
filament plate
(ARTHROPODA: Insecta) In early embryology, a differentiated sheet of cells connecting the genital and heart rudiments on the same side of the body.
filamentary appendage
(ARTHROPODA: Crustacea) In Cirripedia, a membranous process at the base of the cirrus.
n. [L. filum, thread] (NEMATODA: Secernentea) Microfilaria (Spirurida), motile embryo found in the subcutaneous tissue, blood or lymph systems of many animals and man. ...
filariform larva
(NEMATODA: Secernentea) A post-feeding stage larva characterized by its delicate, elongate structure and its slim, capillary esophagus.
adj. [L. filum, thread] Threadlike, slender, and without appendages.
n. [L. filum, thread] (ARTHROPODA: Insecta) The silk spinning apparatus of caterpillars; see spinnerets.
n. [A.S. fil, feo, file] (ARTHROPODA: Insecta) A filelike, rough ridge on the ventral side of the tegmen, near the base, that functions as a part of the stridulating ...
n. [L. filius, -ia, son, daughter] The relationship of offspring; lineage; filial adj..
filibranch gill
(MOLLUSCA: Bivalvia) Gills with bars of tissues between the limbs of the "U" at intervals with filaments attached to adjacent filaments by specialized ciliary junctions; ...
n. [L. filum, thread; cornu, horn] (ARTHROPODA: Insecta) Insects with filiform antennae, e.g., the coleopteran Adephaga.
adj. [L. filum, thread] 1. Hairlike or threadlike. 2. (CNIDARIA) Used to describe thread-like tentacles tapering to a point.
Filippi's glands
see Lyonnet\'s glands.
n. [L. filum, thread] Bands of fibers; any raised rib.
adj. [L. filum, thread] Having a threadlike appendage, or terminating in a threadlike process.
filter apparatus
(ARTHROPODA: Insecta) Opposing rows of tapering processes of some spiracular atrial walls, clothed with interlacing hairs, that permits passage of air and prevents foreign ...
filter chamber
An area that serves to filter suspended matter.
filter feeder
An animal that feeds on small particles which it filters from the surrounding medium.
filum terminale
(ARTHROPODA: Insecta) In Thysanura, tergite XI prolonged into a bristle.
n.; pl. -briae [L. fimbriatus, fringed] 1. A fringe-like structure. 2. (ARTHROPODA: Insecta) Ciliated hair terminating any part.
adj. [L. fimbriatus, fringed] 1. With finger-like projections; having a fringed or puckered margin. 2. (ARTHROPODA: Insecta) An antenna with joints bearing a lateral hair. ...
n. [A.S. finn, fin] An extension of the body of an aquatic animal used in locomotion or steering.
n. [A.S. finger, finger] 1. Any structure resembling or used like a finger. 2. (ARTHROPODA: Crustacea) a. In Decapoda, one of the scissor-like blades at the end of the ...
finger guard
(ARTHROPODA: Crustacea) In male Ostracoda genitalia, an extension of the ventral cardo alongside the dorsal and ventral fingers.
n. [L. firmus, strong; porus, hole] (BRYOZOA: Stenolaemata) In Tubuliporina, a degenerate zooid that appears as a slender, proximally directed tubule.
first antenna
see antennule.
first axillary
(ARTHROPODA: Insecta) The sclerite that articulates with the anterior notal process; its anterior necklike portion abuts the base of the subcostal wing vein.
first incisura
(ARTHROPODA: Insecta) In scale insects, the pygidial marginal notch on the meson between the median pair of lobes.
first maxilla
see maxillulae.
first maxillae
(ARTHROPODA: Insecta) The second pair of appendages belonging to the mouth, posterior to the mandibles or jaws; the maxillae.
first phragma
(ARTHROPODA: Insecta) A transverse apodeme of Diptera, under the anterior promontory of the mesonotum and internally connecting the antepronota.
first reviser
The first author to publish a definite choice of one among two or more conflicting names or zoological interpretations that are equally available under the ICZN.
first segment
The nearest segment of any segmented appendage nearest the body at point of attachment.
first species rule
Authors that specify the first species named in a new genus to be the type of that genus; generally the works of older authors in which no generic type was specified.
first thoracic spiracle
(ARTHROPODA: Insecta) The mesothoracic spiracle, sometimes dislocated into the posterior part of the prothorax.
first trochanter
(ARTHROPODA: Insecta) The first segment of a telopodite; the basipodite.
adj. [L. fissus, cleft] Cleft or split; having fissures or cracks.
adj. [L. fissus, cleft] Capable of being divided or separated into layers; divided into parallel lamellae.
n. [L. fissus, cleft] The splitting of a single chromosome into two chromosomes; splitting of one organism into two organisms; see fusion.
adj. [L. fissus, cleft; parere, to produce] Reproduction or propagation by fission.
n. [L. fissura, cleft] A narrow opening, slit, furrow or groove separating adjacent tissues, parts or organs.
n.; pl. -las [L. fistula, pipe] 1. A reed, pipe or tube. 2. (ARTHROPODA: Insecta) The proboscis of Lepidoptera. fistular adj..
v. [L. fixus, bind] To kill and preserve specimens for observation and retention.
n. [L. fixus, bind] (MOLLUSCA: Bivalvia) The process of animals permanently attaching themselves to the substrate.
n. [L. fixus, bind] A chemical compound which has the quality of fixing and preserving specimens for observation and retention.
fixed finger
(ARTHROPODA: Crustacea) The distal immovable part of the propodus of the chela; the pollex.
fixed hairs
see microtrichia.
fixed jaw
(ARTHROPODA: Chelicerata) In Acari, the distal (fixed) part of the cheliceral segment.
fixed-wall colony
(BRYOZOA: Stenolaemata) Feeding zooids with oral walls attached to the body apertures.
fixing muscle
(SIPUNCULA) A thin strand or filament of muscle joining or attaching some part of the alimentary canal, (the esophagus or posterior region of the intestine) to the body ...
adj. [L. flabellum, fan] Having fanlike processes or projections; flabelliform adj..
n.; pl. -la [L. flabellum, fan] 1. Any leaflike or fanlike process. 2. (ARTHROPODA: Crustacea) The thin distal exite of a branchiopod; or epipodite of a thoracopod. 3. ...
adj. [L. flaccus, flabby] Lacking firmness or elasticity; limp; limber.
adj. [L. flagellum, whip] 1. Having flagella or whip-like structures. 2. Having a lash-like appendage as the terminal part of an antenna.
flagellated chamber
(PORIFERA) Cavities lined with coanocytes.
adj. [L. flagellum, whip; forma, form] Flagella-like; whip-like; lash-like.
n. [L. flagellum, whip; Gr. meros, part] (ARTHROPODA: Insecta) In Diptera, an individual subdivision or unit of the antennal flagellum; in mosquitoes 13-14 flagellomeres.
n.; pl. -lums, -lla [L. flagellum, whip] 1. Any of various whiplike appendages. 2. A protoplasmic process, longer than a cilium, whose movements usually effect locomotion of ...
flame bulb
Common name for solenocytes.
flame cell
see solenocyte.
n. pl. [L. flammula, blaze; Gr. aule, court] Having spots of color resembling a small flame; reddish, tinged with red.
n. [OF. flangier, flank] 1. A projecting rim, edge, or external or internal rib; a guide attachment for another part or organ. 2. (ARTHROPODA: Crustacea) In ostracods, a ...
n. [OF. flanc, side] (MOLLUSCA: Bivalvia) The middle of the valve surface, bounded posteriorly by the posterior ridge.
adj. [Uncertain] To open, spread or project outward; spreading from within toward outward; a lip.
Classes Trematoda, Turbellaria and Cestoda; Platyhelminthes.
adj. [L. flavus, yellow] A yellow color.
adj. [L. flavus, yellow] Golden yellow; sulphur yellow.
n. pl. [L. flavus, yellow] Plant pigments that can be incorporated into the tissues of insects which contribute to their coloration; see anthocyanins, anthoxanthins, ...
see flavid.
fleshy filament
(ARTHROPODA: Insecta) A flexible, attenuate process of the body wall on some butterfly larvae.
v. [L. flectere, to bend] To bend or curve back.
adj. [L. flectere, to bend] Pertains to muscle that serves to bend a limb at an articulation.
flexor surface
A surface brought closer together when a jointed structure is bent at a joint.
adj. [L. flexuosus, full of turns] Having gentle turns and windings in opposite directions; zigzag.
n. [L. flexura, a winding] 1. A bending. 2. (MOLLUSCA) The progressing folding or warping of one or both valves.
n. [A.S. flotian, float] An air filled sac used for buoyancy by an organism or its eggs.
n. [A.S. flotian, float; Gr. blastos, bud] (BRYOZOA) A statoblast with a peripheral pneumatic annulus, with or without marginal hooks.
adj.; pl. -li [L. floccus, lock of wool] Covered with a soft, waxy substance, often resembling wool; clinging together in bunches.
n.; pl. -li [L. floccus, lock of wool] (ARTHROPODA: Insecta) In Hymenoptera, a tuft of hairs on the posterior coxa.
n. [L. flos, flower] The plants or plant life of a region; see fauna, biota.
n. [L. flos, flower; coma, hair] (PORIFERA) An elaborately branched hexaster spicule.
n. [L. flos, flower] (ECHINODERMATA: Echinoidea) A flowerlike structure composed of bourrelets and phyllodes around the mouth.
n. [L. dim. flos, flower] (ARTHROPODA: Insecta) A small, crescent shaped, tubular anal organ with a central style, found in certain lantern flies (Fulgoridae).
adj. [OF. flaute] A channeled or grooved area.
adj. [L. fluviatilis, of a stream] Living in rivers; growing near or inhabiting rivers or fresh water.
(ARTHROPODA: Insecta) An egg or larva of flesh flies.
n.; pl. foci [L. focus, central point] A particular region of disease; a localized region.
n. [A.S. folde, a fold] 1. A doubling or folding. 2. (BRACHIOPODA) A major external elevation of the valve surface, convex in transverse profile and radial from the ...
folded membrane
(ARTHROPODA: Insecta) In Cicadidae, a specialized membraneous area of the anterior wall of the ventral cavity of the sound-producing organ.
adj. [L. folium, leaf] Leaflike in appearance.
adj. [L. folium, leaf] Foliaceous; leaves, consisting of laminae or thin plates.
adj. [L. dim. folium, leaf] Having leaflike processes extending from a margin or protuberance.
n. [L. folium, leaf] (ARTHROPODA: Chelicerata) A pigmented design or pattern on the abdominal dorsum of some spiders.
n. [L. dim. follis, windbag] Any small cavity, sac or tube.
follicle cells
Epithelial cells surrounding the oocytes in the vitellarium, that in some species secrete on its external surface the chorion and perhaps function in a nutritional role. ...
adj. [L. dim. follis, windbag] Pertaining to or having follicles.
adj. [L. dim. follis, windbag] Having, consisting of, or enclosed in a follicle or follicles.
n. [F. fontannella, little fountain] (ARTHROPODA: Insecta) In Isoptera, when present, a small circular or slit-shaped orifice of the frontal or cephalic gland near the ...
См. fontanel.
n. [A.S. foda, fodder] Any material that an organism obtains from the environment that yields energy or supplies matter for its growth.
food bodies
(ARTHROPODA: Insecta) In Hymenoptera, secretions on the seeds and leaves of some plants used by ants as food.
food chain
Food energy transferred from plants through a sequence of organisms in which each is food of a later member of the sequence.
food channels
see food meatus.
food cycle
see food web.
food meatus
(ARTHROPODA: Insecta) In Diptera, a channel formed by the juxtaposition of the mouthparts of mosquitoes anterior to the cibarium.
food web
Interlocking pattern of food chains in a community; typical food web composed of plants, herbivores, carnivores, omnivores, and detritus feeders.
n.; pl. feet [A.S. fot, foot] 1. An organ of locomotion or attachment. 2. (ARTHROPODA: Insecta) The tarsus. 3. (MOLLUSCA) a. The muscular undersurface of the body. b. In ...
foot-shaped loop
see cubito-anal loop.
n.; pl. -ramina, -ramens [L. foramen, hole] 1. A small opening, orifice or perforation through a bone, shell, membrane or partition. 2. (ARTHROPODA: Insecta) The opening of ...
foramen magnum
(ARTHROPODA: Insecta) The opening on the posterior side of the head, giving passage to the internal structures that extend from the head to the thorax; the occipital ...
pl. foramen.
n.; pl. & sing. [L. forceps, pincers] 1. (ARTHROPODA) Hook or pincer-like processes terminating the abdomen of various arthropods which function as weapons in predation or ...
adj. [L. forceps, pincers] Bearing forceps or similar structures.
forcipate mastax
(ROTIFERA) Slender, elongate trophi formed by rami and fulcrum (incus).
adj. [L. forceps, pincers; forma, shape] Forcepsshaped.
n. [A.S. for, fore] The front; the anterior.
n. [A.S. for, fore; braegen, brain] (ARTHROPODA: Insecta) The protocerebrum.
n. [A.S. for, fore; gut, channel] The anterior portion of the alimentary tract, from the mouth to the midgut; see stomodeum.
n. [A.S. for, fore; heafod, head] (ARTHROPODA: Insecta) The frons.
n. [A.S. for, fore; ON. leggr, leg] (ARTHROPODA: Insecta) One of a pair of legs on the prothorax.
n. [L. forfex, shears] A pair of shears.
adj. [L. forfex, shears; forma, shape] 1. Scissorshaped. 2. (ECHINODERMATA: Asteroidea) The pedicellaria of certain starfish.
adj. [L. dim. forfex, shears] Scissor-shaped; forked; furcate.
n. [L. forma, shape] 1. An image or likeness. 2. A term for a single individual, phenon, or taxon; see group.
A colorless gas with a pungent odor; forms a 40% solution in water (formalin) which is used as a fixative, preservative and for hardening tissues; formalin.
The 40% solution of formaldehyde in water; used as a preservative and for hardening tissues.
n. [L. forma, shape; -tion, process] A definite type of habitation, i.e., tundra, coniferous forest, prairie, rain forest, etc.
formative cells
see prohemocyte.
adj. [L. formica, ant] (ARTHROPODA: Insecta) Of or pertaining to ants.
formic acid
An organic acid naturally occurring in some hymenopteran insects.
n.; pl. -ies [L. formica, ant] (ARTHROPODA: Insecta) An ant\'s nest or dwelling; an ant-hill; a formicarium.
fornent prep.
[A.S. for, fore; efen, even] Opposite to; facing; alongside.
adj. [L. fornix, vault] Concave within, convex without; arched; vaulted.
n.; pl. fornices [L. fornix, vault] 1. An arch or fold. 2. (ARTHROPODA: Crustacea) A ridge in the lateral part of the cephalon above insertion of antennal muscles in ...
n.; pl. -sae [L. fossa, ditch] A depression or cavity.
n.; pl. -ses [L. fossa, ditch] (CNIDARIA: Anthozoa) A groove between the collar and base of the capitulum in sea anemones.
n. [L. dim. fossa, ditch] 1. A small, hollow, dimple or depression. 2. (MOLLUSCA: Bivalvia) Any socket; for example a socket for a cardinal tooth. 3. (PLATYHELMINTHES: ...
n. [L. fossilis, dug out] An organic relic of a previous geological period preserved by natural means in rock or softer sediments which afford information as to the character ...
n. [L. fossor, digger] 1. (ARTHROPODA: Insecta) Insects that burrow or dig, i.e., mole crickets, digger wasps, etc. 2. (NEMATA) The cheilostomal, outwardly movable teeth.
adj. [L. fossor, digger] Fitted for or having the habit of digging.
n.; pl. -lae; fossule, fossulet [L. dim. fossa, ditch] 1. A shallow fossa. 2. (ARTHROPODA: Insecta) Grooves on the head or sides of the prothorax, in which the antennae ...
adj. [L. dim. fossa, ditch] Having slight hollows or grooves.
founder cells
1. Daughter cells from the early cleavages of the zygote, with potential to form the individual tissues and organs of the body. 2. (PORIFERA) Cells responsible for ray ...
founder effect
The principle that when founders populate a new colony as an isolated entity, the population will contain only a small fraction of the total genetic variation of the parental ...
founder principle
См. founder effect.
fourth axillary
(ARTHROPODA: Insecta) In Hymenoptera and Orthoptera wings, an axillary sclerite between the posterior notal process and the third axillary sclerite.
n.; pl. -ae [L. fovea, pit] A small depression, pit, pocket; a fossa; foveolate adj..
n.; pl. -lae [L. dim. fovea, pit] 1. An extremely small pit; a small fovea. 2. (ARTHROPODA: Insecta) A small pit into which the antennae are inserted.
adj. [L. frangere, to break] Displaced; bent at an angle.
fractate antenna
(ARTHROPODA: Insecta) An antenna with one very long joint with other annuli attached at angles.
n. [L. frangere, to break] (ARTHROPODA: Insecta) The suture on the hemelytra of Heteroptera that separates the cuneus from the corium.
adj. [L. frangere, to break] Easily broken; delicate; thin and brittle.
n. [L. frangere, to break] 1. Separated in parts or fragments. 2. Amitotic division. 3. (BRYOZOA) Asexual production of a colony from a single or group of zooids from ...
n. [A.S. framian, fashion, prepare] (ECHINODERMATA) A structure composed of pentagonal rings of small ossicles on the distal end of the tube feet.
n. [Ger. fressen, to devour] Insect larval excrement usually mixed with plant fragments.
adj. [A.S. freo, freedom] Unrestrained; motile; not attached.
free edge
(ARTHROPODA: Crustacea) The line of contact of an ostracod shell between closed valves, except along hinge line marking the distal limit of the contact margin.
free margin
(ARTHROPODA: Crustacea) All parts of an ostracod shell margin, except hingement.
free mesodermal cell
see hemocyte.
free pupa
see exarate pupa.
Not attached or parasitic; capable of independent movement and existence; see sessile.
Swimming about; not sessile.
free-walled colony
(BRYOZOA: Stenolaemata) A colony covered loosely by membranous exterior walls that are not attached at oral apertures.
free-wax cell
(ARTHROPODA: Insecta) Cells found in the hemolymph of Aphididae and Coccoidea.
frenate wing coupling
(ARTHROPODA: Insecta) Lepidopterous wing coupling with a well developed frenulum that engages with a catch or retinaculum on the underside of the fore wing, securing the ...
n.; pl. -la [L. dim. frenum, bridle] 1. (ARTHROPODA: Insecta) The strong spine or group of bristles on the humeral angle of the hind wing, that projects beneath the fore ...
frenulum hook
(ARTHROPODA: Insecta) A cuticular clasp (retinaculum) that functions in wing coupling.
n.; pl. frenna [L. frenum, bridle] 1. Any fold of skin or tissue supporting an organ. 2. (ARTHROPODA: Crustacea) Membranous bilateral fold of the carapace of barnacles ...
frilled organ
(PLATYHELMINTHES: Cestoda) A posterior attachment organ in the order Gyrocotylidea.
n. [L. fimbria, border] 1. To furnish or adorn. 2. Hair, scales or other processes extending beyond the margin, usually of equal length. 3. (MOLLUSCA: Bivalvia) ...

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