Слова на букву spir-terg (732) Dictionary of invertebrate zoology
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Слова на букву spir-terg (732)

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syndrome
n. [Gr. syn, together; dramein, to run] Signs and symptoms characteristic of a particular disease.
synecete
see synoekete.
synechthran
n. [Gr. syn, together; echtos, hate] An insect guest that is persecuted by its host, and manages to stay alive by greater speed and agility or the use of defensive ...
synechthry
n. [Gr. syn, together; echtos, hate] The relationship between a symbiont, generally a scavenger, parasite or predator, that is treated in a hostile manner by the host; ...
synecology
n. [Gr. syn, together, oikos, household; logos, discourse] The relationship of populations and communities to biotic factors in the environment; see autecology.
synectic
adj. [Gr. syn, together; nektikos, habitual] Pertaining to cells that retain their relative position during gastrulation.
synergism
n. [Gr. synergos, associate] The cooperative action of two entities to effect a greater difference than both together, i.e., hormones, parasites, muscles; synergistic adj..
syngamy
n. [Gr. syn, together; gamos, marriage] 1. Union of male and female gametes following fertilization to form a zygote; gametogamy; hylogamy; see pseudogamy. 2. Permanent ...
syngenesis
n. [Gr. syn, together; genesis, beginning] 1. Reproduction between two sexually dimorphic parents; sexual reproduction. 2. The theory that the germ of the offspring is ...
syngenic
see isogenic.
syngonic
adj. [Gr. syn, together; gone, seed] The production of both sperm and eggs by the same gonad; hermaphroditic reproduction; see digonic, amphigonic.
synhaploid
n. [Gr. syn, together; haploos, single] A condition derived from the fusion of two or more haploid nuclei; see double haploid.
synhesmia
n. [Gr. syn, together; hesmos, swarm] A group of organisms swarming together in consequence of a reproductive drive; see androsynhesmia, gynosynhesmia.
synistate
adj. [Gr. syn, together; histos, tissue] (ARTHROPODA: Insecta) In Neuroptera, referring to the ligula being reduced to the condition of a median and sometimes slightly ...
synizesis
n. [Gr. syn, together; hizein, to sit] The clumping of chromosomes in early prophase of the first meiotic division; may be either normal or abnormal.
synkaryon
n. [Gr. syn, together; karyon, nucleus] A zygote nucleus formed by fusion of two gametic nuclei.
synlophe
n. [Gr. syn, together; lophos, crest] (NEMATODA: Secernentea] In numerous Trichostrongylidae, an enlarged longitudinal or oblique cuticular ridge on the body surface that ...
synoecious
adj. [Gr. synoikos, living in the same house] Producing both male and female gametes.
synoecius
См. synoecious.
synoecy
n. [Gr. synoikos, living in the same house] 1. Commensalism involving social insects where the guests are indifferently tolerated by the hosts. 2. An association between ...
synoekete
n. [Gr. synoikos, living in the same house] A tolerated guest of a host colony.
synoenocytes
n. [Gr. syn, together; oenos, wine colored; kytos, container] (ARTHROPODA: Insecta) In dipteran Chironomidae, localization of oenocytes as distinctive organs.
synomone
n. [Gr. syn, together; omone, mimics the ending of hormone] A chemical substance produced or acquired by an organism, that upon contact with an individual of another species, ...
synonyms
n. pl. [Gr. syn, together; onyma, name] In nomenclature, two or more names for the same taxon; see senior synonym, junior objective synonym, junior subjective synonym; ...
synonymy
n. [Gr. syn, together; onyma, name] A chronological list of scientific names applied to a given taxon, including dates of publication and authors of the names.
synopsis
n.; pl. -es [Gr. syn, together; opsis, view] In taxonomy, a general summary of current knowledge of a group.
synoptic
adj. [Gr. syn, together; opsis, view] Pertaining to structures that upon comparison, are virtually identical.
synoptical key
The arrangement of the more essential characters in order to identify specific taxa by selecting only those that apply.
synscleritous
adj. [Gr. syn, together; skleros, hard] (ARTHROPODA) The joining of a tergite and a sternite to form a complete ring; see discleritous.
syntagma
see tagma.
syntelic
adj. [Gr. syn, together; telos, fulfillment] In mitosis, centromeres of the two chromatids of each chromosome if they are oriented to the same spindle pole at the first ...
synthesis
n.; pl. -ses [Gr. syn, together; titheni, to place] The formation of a more complex substance from simpler ones.
synthetic
adj. [Gr. syn, together; titheni, to place] Combining the structural characters of two or more dissimilar groups or forms into one group or form.
synthetic lethals
Lethal chromosomes derived from normally viable chromosomes by crossing over.
synthetic theory
The evolutionary theory, with mutation and selection as the basic elements.
synthorax
n. [Gr. syn, together; thorax, chest] (ARTHROPODA: Insecta) The meso- and metathorax fused as a single unit of wing-bearing insects; pterothorax.
syntrophy
n. [Gr. syn, together; trophon, food] (ARTHROPODA: Insecta) In social insects, the accidental feeding of symphiles or synoeketes during normal brood care.
syntype
n. [Gr. syn, together; typos, type] Every specimen in a type-series in which no holotype or lectotype was designated.
syntypic
adj. [Gr. syn, together; typos, type] Referring to the same type.
synxenic
adj. [Gr. syn, together; xenos, guest] The rearing of one or more individuals of a single species along with one or more known species of organisms; see axenic, dixenic, ...
synzoea
n. [Gr. syn, together; zoe, life] (ARTHROPODA: Crustacea) In Malacostraca, pelagic juvenile stages of Stomatopod larvae.
syringe
see salivary pump.
syringium
n. [Gr. syrinx, pipe] (ARTHROPODA: Insecta) 1. The salivary pump in Hemiptera. 2. An organ for ejecting disagreeable fluids in some insect larvae.
systematics
n. pl. [Gr. syn, together; histani, to place] Taxonomy.
systematist
n. [Gr. syn, together; histani, to place] A student of taxonomy.
systole
n. [Gr. systole, contraction] The contraction of any contractile cavity, i.e., the heart; systolic a; see diastole.
syzygy
n.; pl. syzygies [Gr. syzygos, united] 1. The combining of organs without loss of identity. 2. (ECHINODERMATA: Crinoidea) Having each nodal columnal closely and rigidly ...
T-tubule
Invaginations of the plasma membrane into the muscle fiber between the Z- and H-bands.
tabula
n.; pl. -ae [L. tabula, table] 1. (CNIDARIA: Anthozoa) Horizontal partitions across the vertical canals of corals. 2. (ECHINODERMATA: Asteroidea) A flat elevated ...
tabular
adj. [L. tabula, table] Arranged in a flat surface.
tachyauxesis
n. [Gr. tachys, quick; auxesis, growth] Rapid growth; a part or structure that grows at a quicker rate than the organism as a whole; see bradyauxesis, isauxesis.
tachyblastic
adj. [Gr. tachys, quick; blastos, bud] Referring to thin shelled eggs that begin cleavage immediately after oviposition and develop quickly; summer egg; see opsiblastic.
tachygen
n. [Gr. tachys, quick; gennaein, to produce] An evolutionary structure of abrupt origination.
tachygenesis
n. [Gr. tachys, quick; genesis, beginning] The shortening or acceleration of embryonic development by omitting one or more developmental stages; see bradygenesis.
tachytelic
adj. [Gr. tachys, quick; telos, completion] Evolution at a faster rate than usual; see horotelic; -tactic adj. [Gr. taktikos, comb. form] Used in adjectives formed from ...
tactile
adj. [L. tactus, touch] Pertaining to the organs of the sense of touch.
tactile combs
(CNIDARIA: Hydrozoa) Patches of long stiff hairs on the bell margin of hydromedusae.
tactile sensillum
see sensillum trichodeum.
tactoreceptors
n. pl. [L. tactus, touch; receptor, receiver] Hairs, bristles, or other epidermal structures that function in touch where the organism comes in contact with the substratum, ...
taenia
n. [Gr. taenia, band or ribbon] A band, such as of nerve or muscle.
taeniate
adj. [Gr. taenia, band or ribbon] Having a broad longitudinal marking.
taenidium
n.; pl. -nidia [L. dim. taenia, band or ribbon] 1. (ARTHROPODA: Chelicerata) In Acari, a ribbon-like canal on the surface of the tegument. 2. (ARTHROPODA: Insecta) A ...
taenioglossate radula
(MOLLUSCA: Gastropoda) A radula with numerous transverse rows of lingual teeth, usually seven to a row; median tooth frequently has cusps, the largest in the middle, broad ...
tagma
n.; pl. tagmata [Gr. tagma, an arrangement] 1. A major division of body regions of a metamerically segmented animal, particularly arthropods; see pseudotagma. 2. (ARTHROPODA: ...
tagmosis
n. [Gr. tagma, an arrangement] The division of a body into groups of segments, forming distinct trunk sections or tagmata.
tail
n. [A.S. taegel, tail] 1. (ARTHROPODA: Insecta) The cauda; in some Lepidoptera and Neuroptera, the elongated processes on the hind wings. 2. (NEMATA) That portion of the ...
tail valve
(MOLLUSCA: Polyplacophora) The posterior valve.
tailfan
see caudal fan.
Takakura's duct
(NEMERTEA:Enopla) In Carcinonemertidae, a common efferent canal in the male reproductive system that links the testes and discharges into the intestine near the anus.
talon
n. [L. talus, heel] Shaped like a claw; unguiculate.
talus
n. [L. talus, heel] (ARTHROPODA: Insecta) The juncture of the tibia and tarsus.
tandem
adj. [L. tandem, at length] One behind the other; two connected or attached together.
tangent
adj. [L. tangere, to touch] Touching; coming together at a single point.
tangoreceptor
n. [L. tangere, to touch; receptor, receiver] A simple tactile sense organ, consisting of one sense cell.
tanylobous
adj. [Gr. tanaos, stretched; lobos, lobe] (ANNELIDA: Oligochaeta) Pertaining to the tongue of the prostomium extending through segment i to the groove between segments i and ...
tapetal
adj..
tapetum
n. [L. tapete, carpet] 1. A reflecting surface within an eye. 2. (ARTHROPODA: Insecta) A light reflecting surface within clear-zone eyes, formed by tracheae that run through ...
tapinoma-odor
(ARTHROPODA: Insecta) In Hymenoptera, a rancid butter smell secreted from the anal glands of some ants of the Dolichoderinae.
Tardigrada
См. tardigrades.
tardigrades
n.; n. pl. [L. tardus, slow; gradus, step] A phylum of small, multicellular coelomates, commonly called water bears, or bear animaecules due to a lumbering, bearlike gait.
tarsal
adj. [Gr. tarsos, sole of foot] Pertaining to the foot or tarsus.
tarsal claw
(ARTHROPODA) A claw at the apex of the tarsus; unguis.
tarsal comb
see pedal stridulating organ.
tarsal formula
(ARTHROPODA: Insecta) Referring to the number of tarsal segments on the front, middle, and hind tarsi.
tarsal pulvillus
see euplantula.
tarsation
n. [Gr. tarsos, sole of foot] (ARTHROPODA: Insecta) Communication by touching with the tarsi.
tarsite
[Gr. tarsos, sole of foot] (ARTHROPODA) A subdivision or segment of the tarsus.
tarsomere
См. tarsite.
tarsungulus
n. [Gr. tarsos, sole of foot; L. dim. unguis, claw] (ARTHROPODA: Insecta) The fused tarsal segment and claw of many coleopteran larvae.
tarsus
n. [Gr. tarsos, sole of foot] 1. The foot. 2. (ARTHROPODA) The most distal part of the leg, immediately beyond the tibia, usually subdivided into two to five segments, ...
taste bud
(ARTHROPODA: Insecta) In Lepidoptera, specialized taste cells located on the tarsi.
tautonym
n. [Gr. tautos, the same; onyma, name] In the binomial system, the same name given to a genus and one of its species or subspecies.
taxis
n.; pl. taxes [Gr. taxis, arrangement] Movement of a motile animal in response to a source of stimulation. a. Positive taxis : toward the stimulus. b. Negative taxis : Away ...
taxodont
adj. [Gr. taxis, arrangement; odon, tooth] (MOLLUSCA: Bivalvia) With many short interlocking teeth, some or all transverse to the hinge margin; similar to prionodont.
taxometrics
see numerical taxonomy.
taxon
n.; pl. taxa [Gr. taxis, arrangement] Any taxonomic group sufficiently distinct to merit being distinguished by name, i.e., phylum, class, order, etc.
taxon cycle
A cycle of expansion and contraction of the geographic range and population density of a species or higher taxonomic category.
taxonomic
adj. [Gr. taxis, arrangement; nomos, law] Pertaining to the classification of organisms.
taxonomist
n. [Gr. taxis, arrangement; nomos, law] One who studies the theory and practice of classifying organisms.
taxonomy
n. [Gr. taxis, arrangement; nomos, law] The study of the theory, procedure, and rules of classification of organisms, based on similarities and differences; see classical ...
tectiform
adj. [L. tectum, roof; forma, shape] Roof-like; sloping.
tectostracum
see cerotegument.
tectum
n. [L. tectum, roof] 1. (ARTHROPODA: Chelicerata) In Acari, the blade-shaped prolongation of the exoskeleton to protect an organ or joint; epistome; cervix. 2. ...
teeth
n. [A.S. toth, tooth] 1. Hardened growths on mandibles, maxillae or stomatal walls. 2. (CNIDARIA: Hydrozoa) Deep or very shallow indentations on the hydrothecal margins; ...
teges
see seta.
tegillum
n.; pl. -a [L. teges, mat] (ARTHROPODA: Insecta) In Scarabaeoidea larvae, a paired patch of hooked or straight setae on each side of the venter of the tenth abdominal ...
tegmen
n.; pl. -mina [L. tegmen, cover] 1. A tegument or covering. 2. (ARTHROPODA: Insecta) a. In Coleoptera, a single or divided sclerite proximad of the penis (phallobase); ...
tegmentum
n. [L. tegere, to cover] (MOLLUSCA: Polyplacophora) The outer, sometimes softer and porous calcareous layer of the valve below the periostracum.
tegula
n.; pl. -lae [L. tegula, roofing tile] (ARTHROPODA: Insecta) 1. A small convex, scalelike lobe overlying the base of the fore wing; paraptera. 2. In Diptera, small ...
tegular arms
(ARTHROPODA: Insecta) Internal structures supporting the tegular plate.
tegular plate
(ARTHROPODA: Insecta) In Lepidoptera, a notal structure bearing the tegulae of the fore wings.
tegulum
n. [L. tegulum, roof] (ARTHROPODA: Chelicerata) In Acari, the dorsal region of the cheliceral frame extending from the cheliceral base to the rostrum.
tegumen
n. [L. tegumen, cover] (ARTHROPODA: Insecta) 1. Tegmen. 2. (ARTHROPODA: Insecta) In male Lepidoptera, a dorsal roof or hoodlike structure of the genitalia.
tegument
n. [L. tegumentum, covering] 1. Any natural outer covering. 2. (ACANTHOCEPHALA) The non-cellular body wall or cuticle.
tegumentary glands
(ARTHROPODA: Chelicerata) In Acari, specialized secretory glands, located in or immediately beneath the hypodermis.
tela
n.; pl. -ae [L. tela, web] (BRACHIOPODA) One of a pair of points at the end of the beak ridges that project into and beyond the pedicle opening.
telaform larva
(ARTHROPODA: Insecta) In certain heteromorphic Hymenoptera first instar larva, a sharp, tail-like caudal horn curved anteriorly, body constricted between a large anterior ...
telamon
n. [Gr. telamon, strap] 1. A supporting band. 2. (NEMATODA: Secernentea) A thickening of the anterior cloacal wall in the order Strongylida, that acts as an accessory ...
telegonic
see panoistic ovariole.
teleiochrysalis
n. [Gr. teleios, perfect; chrysallis, golden thing] (ARTHROPODA: Chelicerata) In Acari, the third stage nymph enclosed in the integument of the preceeding nymphal stage.
telenchium
n. [Gr. telos, end; enchos, spear] (NEMATODA: Secernentea) Sometimes used to denote the shaft of the stylet in plant parasites in the order Tylenchida; see metenchium. ...
teleoconch
n. [Gr. teleios, complete, konche, shell] (MOLLUSCA: Gastropoda) The entire shell, excluding the protoconch.
teleodont
adj. [Gr. teleios, complete; odon, tooth] 1. (ARTHROPODA: Insecta) In Coleoptera Lucanidae, referring to males bearing large mandibles; see amphiodont; priodont. 2. ...
teleology
n. [Gr. teleios, complete; logos, discourse] A theory in biology that evolution or nature is guided by a purpose.
teleotrocha
see trochophore.
telepod
see telopod.
telescope
v.i. [Gr. tele, far; skopos, watcher] To have the ability to evert and invert a body part; telescopic adj..
teletrocha
see trochophore.
teletrophic ovariole
(ARTHROPODA: Insecta) An ovariole in which all the trophocytes are terminal in the germarium, and connect to the egg by a slender trophic chord; acroptrophic ovariole; ...
telioderma
n. [Gr. teleios, complete; derma, skin] (ARTHROPODA: Chelicerata) In Acari, the cuticle of the previous stage nymph (apoderma) covering the tritonymph.
teliophan
see tritonymph.
telmophage
n. [Gr. telma, pool; phagein, to eat] (ARTHROPODA) A blood feeding arthropod that severs skin and blood vessels, causing a small blood hemorrhage so as to feed.
telocentric
adj. [Gr. telos, end; kentron, center of circle] Chromosomes in which the centromere is terminal; see acrocentric.
telodendria
n. [Gr. telos, end; dendros, tree] The branching terminals of an axon.
telofemur
n. [Gr. telos, end; L. femur, thigh] (ARTHROPODA: Chelicerata) In Acari, a distal segment of the femur separated from the basifemur by the basifemoral ring.
telogonic
see panoistic ovariole.
telolecithal egg
An egg cell with abundant yolk concentrated toward the lower side of the cell; see centrolecithal egg.
telomitic
see telocentric.
telophase
n. [Gr. telos, end; phasis, aspect] The final stages of mitosis during which the chromatids (daughter chromosomes) are formed and the cytoplasm divides.
telophragma
see Z-band or disc.
telopod
n. [Gr. telos, end; pous, foot] 1. (ARTHROPODA: Crustacea) Part of an appendage distal to the coxa. 2. (ARTHROPODA: Diplopoda) In males, a modified leg, serving a ...
telopodite
n. [Gr. telos, end; pous, foot] (ARTHROPODA: Insecta) The primary shaft of a limb distal to the coxopodite; the basipodite.
telorhabdions
n. pl. [Gr. telos, end; rhabdos, rod] (NEMATA) The posterior wall plates of the telostome; see rhabdion.
telostom
n. [Gr. telos, end; stoma, mouth] (NEMATODA: Secernentea) The posterior part of a stoma; see protostome.
telostome
См. telostom.
telosynapsis
См. telosyndesis.
telosyndesis
see acrosyndesis.
telotarsus
n. [Gr. telos, end; tarsos, sole of foot] (ARTHROPODA) In Chelicerata and Chilopoda, the distal of the two principal tarsomeres of the tarsus.
telotaxis
n. [Gr. telos, end; taxis, arrangement] Movement directed towards a goal, with a minimum of deviation in the path taken; see kinotaxis, tropotaxis.
telotroch
n. [Gr. telos, end; trochos, wheel] 1. (ANNELIDA: Polychaeta) The preanal girdle of cilia near the posterior end. 2. (PHORONIDA) A ciliary ring on the posterior of the ...
telson
n. [Gr. telson, end] 1. (ARTHROPODA) The terminal portion of an arthropod body (not considered a true somite), usually containing the anus; the periproct. 2. (ARTHROPODA: ...
template
n. [F. dim. temple, used in weaving] 1. A pattern from which objects are copied. 2. In genetics, a strand of DNA acting as template for a strand of RNA, which in turn serves ...
temporal isolation
Non-interbreeding between species as a result of time differences, i.e., diurnal versus nocturnal.
temporal organs
see organs of Tomosvary.
temporary haplometrosis
(ARTHROPODA: Insecta) In early colony development of social insects, a single female (queen) initiates development and is either joined by its offspring or females from ...
temporary parasite
A parasite that comes in contact with its host to feed and then departs; intermittent parasite; micropredator.
temporary pleometrosis
(ARTHROPODA: Insecta) In social insects, a colony in which two or more females share a nest that was founded by a single female; non-founding females do not cooperate in ...
temporary social parasitism
(ARTHROPODA: Insecta) In Hymenoptera, a parasitic queen entering an alien nest replacing the alien queen by killing or sterilizing it and eventually dominating the nest.
tenacipeds
n. pl. [L. tenere, to hold; pes, foot] (ARTHROPODA: Chilopoda) In Lithobiida, ambulatory legs of segments 14 and 15, elongated and apparently used for mating and capture of ...
tenaculum
see retinaculum.
tenent
adj. [L. tenere, to hold] Adapted for clinging, i.e., hairs.
teneral
adj. [L. tener, soft] (ARTHROPODA) A term applied to any newly emerged soft-bodied individual; callow worker.
tensor
adj. [L. tendere, to stretch] A muscle that stretches a part of a body or renders it of use.
tentacle
n. [L. tentaculum, feeler] Any elongate flexible appendage usually near the mouth; tentacular adj..
tentacle crown
(BRYOZOA) Tentacles expanded into an external position as for feeding.
tentacle sheath
(BRYOZOA) That part of the body wall that supports and encloses the tentacles when everted and retracted.
tentacular atrium
(BRYOZOA) A cavity inside the tentacle sheath, with tentacles retracted.
tentacular bulb
(CNIDARIA) Swelling at the base of a medusoid tentacle that serves primarily in digestion and manufacture of nematocysts and sometimes bears an ocellus or other sensory ...
tentacular cirrus
(ANNELIDA: Polychaeta) Sensory projection(s) of the peristomium or cephalized segment.
tentacular club
(MOLLUSCA: Cephalopoda) A terminal suckered pad, comprised of carpus, manus and dactylus.
tentacular crown
see branchial crown.
tentacular fold
(MOLLUSCA: Bivalvia) The central fold of the oyster mantle edge that bears the tentacles in two rows.
tentacular palp
(ANNELIDA: Polychaeta) A grooved, food-gathering appendage in many sedentary species.
tentaculocyst
see rhopalium.
tentaculozooid
n. [L. tentaculum, feeler; Gr. zoon, animal; eidos, form] (CNIDARIA: Hydrozoa) A modified polyp in the form of a single tentacle, usually found at the outermost part of ...
tentilla
n. [L. tentaculum, feeler] (CNIDARIA: Hydrozoa) In Siphonophora, lateral contractile tentacular branches.
tentorial bar
(ARTHROPODA: Insecta) The right or left half of the tentorium, consisting mainly of the united anterior and posterior arms.
tentorial bridge
(ARTHROPODA: Insecta) The apices of the two posterior arms fused medially; incomplete or absent in most Diptera.
tentorial fovea
see tentorial pits.
tentorial macula
(ARTHROPODA: Insecta) The depressions or dark spots marking the points of union of the dorsal tentorial arms and the epicranal wall near the antennae.
tentorial pits
(ARTHROPODA: Insecta) External depressions on the surface of the head marking points of union of the arms with the outer wall of the head; usually two in the epistomal suture ...
tentorium
n.; pl. -oria [L. tentorium, tent] (ARTHROPODA: Insecta) Two anterior and two posterior apodemes (arms) that form the internal skeleton of the head, serving as a brace for ...
tenuous
adj. [L. tenuis, thin] Thin, slender, delicate.
teratocyte
n. [Gr. teras, monster; kytos, container] (ARTHROPODA: Insecta) In Lepidoptera Pieridae, unicellular forms resulting from the embryonic membranes of parasitic Braconidae.
teratogen
n. [Gr. teras, monster; genes, producing] Any substance that causes or increases the incidence of congenital abnormalities in a population.
teratogenesis
n. [Gr. teras, monster; genesis, beginning] The production of monstrous fetuses or growths.
teratogyne
n. [Gr. teras, monster; gyne, woman] (ARTHROPODA: Insecta) In Hymenoptera, the aberrant form of female in a Formicidae colony, characterized by overdeveloped legs and ...
teratology
n. [Gr. teras, monster; logos, discourse] The biological study of structural malformations and monstrosities.
terebella
see terebra.
terebra
n.; pl. -bras, -brae [L. terebra, borer] 1. A borer or piercer. 2. (ARTHROPODA: Insecta) a. In Hymenoptera, the stylets and stylet-sheath. b. In Odonata and Hymenoptera, the ...
teres
n. [L. teres, rounded] Nearly cylindrical; terete adj..
terga
pl. tergum.
tergal
adj. [L. tergum, back] Situated on the back.
tergal fissure
(ARTHROPODA: Insecta) In Symphyta and primitive forms of many orders, a membranous line from one lateral margin to the other, behind the anterior notal wing processes.
tergal fold
see epimere.
tergal margin
(ARTHROPODA: Crustacea) In Thoracica Cirripedia, the edge of the scutum adjacent to the tergum, or edge of any plate abutting the tergum.
tergal suture
(ARTHROPODA: Insecta) In many larvae, a Y-shaped dorsal suture of the head.
tergal valves
see cercus.
tergite
n. [L. tergum, back] (ARTHROPODA) A dorsal sclerite of a segment.
tergolateral margin
(ARTHROPODA: Insecta) In Cirripedia, in those possessing upper laterals, the angular edge of the scutum.
tergopleural
adj. [L. tergum, back; pleuron, side] Referring to the upper and lateral portion of a segment.

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