Слова на букву phen-prop (732) Dictionary of invertebrate zoology
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Слова на букву phen-prop (732)

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phenetic classification
A classification based on phenotypes rather than evolution from a common ancestor.
phenetic ranking
Ranking into categories according to degree of overall similarity.
pheneticist
see numerical phenetics.
phengophil
adj. [Gr. phengos, light; philos, loving] Preferring light.
phengophobe
adj. [Gr. phengos, light; phobos, fear] Shunning light.
phenogram
n. [Gr. phainein, to appear; gramme, mark] A diagram showing degree of similarity among taxa.
phenology
n. [Gr. phainein, to appear; logos, discourse] A branch of science concerned with periodic biotic events such as flowering, breeding and migration.
phenome
n. [Gr. phainein, to appear] The phenotypic characters of an organism.
phenomenology
see phenology.
phenon
n. [Gr. phainein, to appear] A group of phenotypically similar organisms.
phenotype
n. [Gr. phainein, to appear; typos, type] The physical appearance of an individual as a result of interaction between genotype and environment.
pheromone
n. [Gr. phero, bear; hormao, to instigate] A chemical substance secreted by an animal on the substratum, on the bodies or possibly in the air, that influences the behavior of ...
phialaeform
adj. [L. phiala, shallow cup; forma, shape] Cup-shaped; saucer-shaped.
phialiform
См. phialaeform.
philopatry
n. [Gr. philos, loving; patrios, fatherland] The tendency of an individual to either stay in or return to its home or adopted locality.
phlebedesis
См. phleboedesis.
phleboedesis
n. [Gr. phleps, vein; desis, a binding together] Suppression of the true coelom by a hemocoel.
phoba
n.; pl. -ae [Gr. phobe, tuft] (ARTHROPODA: Insecta) In many scarabaeoid larvae, a dense hair-like set of projections, often forked, at the posterior inner edge of the paria. ...
phobotaxis
see klinokinesis.
phonation
n. [Gr. phone, sound] The production of sounds.
phonoreceptor
n. [Gr. phone, sound; L. receptor, receiver] A sense organ responsive to sound.
phoresis
n. [Gr. phoreus, carrier] A form of symbiotic relationship when the symbiont, the phoront, is mechanically carried about by its host; neither being physiologically dependent ...
phoresy
see phoresis.
phoretic host
One partner in a phoretic relationship; an organism that transports another microorganism to which it is nonsusceptible; a transport host; a mechanical vector.
phoretomorph
n. [Gr. phoretos, carried; morphe, form] (ARTHROPODA: Chelicerata) In mites, forms adapted especially for phoretic transport.
Phoronida
См. phoronids.
phoronids
n.; n. pl. [L. Phoronis, surname of Io] Phylum or class of the phylum Lophophorata; marine, enterocoelic coelomates, free-living in secreted chitinous, cylindrical ...
phoront
n. [Gr. phoretos, carry] Any organism mechanically conveyed by another organism; see phoresis.
phospholipids
n. pl. [Gr. phosphoros, light bringer; lipos, fat] Lipids containing phosphorus and nitrogen, found in all cells.
phosphorescent
see bioluminescence.
photic zone
Surface waters penetrated by light; see aphotic zone.
photochemical
adj. [Gr. phos, light; chemeia, infusion] Pertaining to any chemical reaction produced by exposure to light.
photogenic
adj. [Gr. phos, light; genes, born] Light producing; luminescent.
photokinesis
n. [Gr. phos, light; kinesis, movement] A kinesis in response to stimulation by visual cognizance.
photophil
n. [Gr. phos, light; philos, loving] Light-loving; see phengophil.
photophobe
adj. [Gr. phos, light; phobos, fear] Shunning or avoiding light; see lucifugous, lucipetal, phengophobe.
photophobic
См. photophobe.
photophobotaxis
n. [Gr. phos, light; phobos, fear; taxis, arrangement] Movement involved in the avoidance of light; negative tropism.
photophore
n. [Gr. phos, light; pherein, to bear] A light producing organ of certain marine Hydrozoa, Crustacea and Cephalopoda.
photopic
see apposition eye.
photoreactivation reaction
Partial reversal of damage to biological systems by ultraviolet light by longer wave length light.
photoreceptor
n. [Gr. phos, light; L. receptor, receiver] A sense organ responsive to light.
photosynthesis
n. [Gr. phos, light; synthesis, place together] The formation of carbohydrates from carbon dioxide and water by the absorption of light by chlorophyll.
phototaxis
n. [Gr. phos, light; taxis, arrangement] The movement in response to the stimulus of light; see heliotaxis.
phototelotaxis
n. [Gr. phos, light; telos, end; taxis, arrangement] The direct movement of an animal toward shade.
phototonus
n. [Gr. phos, light; tonos, tension] 1. Sensitiveness to light. 2. Muscle tonus stimulated by light.
phototropism
n. [Gr. phos, light; tropos, turn] Movement determined by the direction of incident light; photropic adj..
phragma
n.; pl. -mata [Gr. phragmos, fence] 1. An inwardly extending process. 2. (ARTHROPODA: Insecta) In winged forms, an internal plate or invagination of the dorsal wall for the ...
phragmocone
n. [Gr. phragmos, fence; konos, cone] (MOLLUSCA: Cephalopoda) A thin, conical internally chambered shell.
phragmocyttarous
adj. [Gr. phragmos, fence; kyttaros, partition] (ARTHROPODA: Insecta) Pertaining to nests, especially of social wasps, in which brood combs are attached laterally to the ...
phragmosis
n. [Gr. phragmos, fence] (ARTHROPODA: Insecta) A method used by Formicidae and Termitidae in which the head or tip of the abdomen is used as a plug for the nest entrance.
phylacobiosis
n. [Gr. phylax, guard; biosis, manner of life] (ARTHROPODA: Insecta) A form of symbiosis in which a species of Formicidae lives in the hills of Termitidae supposedly acting ...
phylactocarps
n. pl. [Gr. phylax, guard; karpos, fruit] (CNIDARIA: Hydrozoa) Protective modifications for the gonangia of Hydroida; see corbula.
Phylactolaemata
См. phylactolaemates.
phylactolaemates
n.; n. pl. [Gr. phylax, guard; laimos, throat] A small, basically cylindrical, monomorphis, freshwater class of Bryozoa, with a crescentic lophophore and an epistome.
phylacum
n. [Gr. phylax, guard] (ARTHROPODA: Diplopoda) In Julida, the outer leaf-like flange of the solenomerite.
phyletic
adj. [Gr. phyle, tribe] Pertaining to a line of descent; see phylogeny.
phyletic correlation
The occurrence of characters that are phenotypic manifestations of a well-integrated ancestral gene complex.
phyletic evolution
Genetic changes that occur within an evolutionary line.
phyllidium
n. [Gr. phyllon, leaf] (PLATYHELMINTHES: Cestoda) Leaf-shaped outgrowth on the side of the scolex; bothridium.
phylliform
adj. [Gr. phyllon, leaf; L. forma, shape] Leaf-shaped.
phyllobombycin
n. [Gr. phyllon, leaf; L. bombyx, silkworm] (ARTHROPODA: Insecta) In Lepidoptera, a crystalline derivative of chlorophyll found in the feces of silkworms.
phyllobranch
См. phyllobranchia.
phyllobranchia
adj. [Gr. phyllon, leaf; branchia, gills] (ARTHROPODA: Crustacea) A gill with paired lamellar branches (leaflike filaments) arising from the branchial axis; ...
phyllode
n. [Gr. phyllon, leaf] (ECHINODERMATA: Echinoidea) Petal-like arrangement of ambulacra around the peristome.
phyllophagous
adj. [Gr. phyllon, leaf; phagein, to eat] Feeding upon leaf tissue.
phyllopod(ium)
n.; pl. -dia [Gr. phyllon, leaf; pous, foot] (ARTHROPODA: Crustacea) Leaflike thoracic appendages.
phyllosoma
n. [Gr. phyllon, leaf; soma, body] (ARTHROPODA: Crustacea) In Decapoda, a larval stage in the development of Palinuridae, characterized by a flattened leaf-shaped planktonic ...
phyllotriaene
n. [Gr. phyllon, leaf; triaina, trident] (PORIFERA) Tetractinal spicule with three rays of flattened discs and the fourth ray short and pointed.
phyllozooid
n. [Gr. phyllon, leaf; zoon, animal] (CNIDARIA: Hydrozoa) In Siphonophora, a thick, gelatinous leaf-like or helmet- shaped medusoid containing a simple or branched ...
phylogeny
n. [Gr. phyle, tribe; genesis, beginning] The study of the history of the lines of evolution of a species or higher group of organisms; distinguished from ontogeny; see ...
phylogerontic
adj. [Gr. phyle, tribe; gerontos, old man] In phylogeny, referring to the decadence of the old age stage; see paracme, typolysis.
phylogram
n. [Gr. phyle, tribe; gramme, mark] A tree-like diagram indicating degree of relationship among taxa.
phyloneanic
adj. [Gr. phyle, tribe; neanikos, youthful] Adolescent stage in phylogeny; see neanic.
phylum
n.; pl. phyla [Gr. phyle, tribe] One of the higher taxonomic categories of the animal kingdom.
physa
n. [Gr. physa, bladder] (CNIDARIA: Anthozoa) The bulbous base of burrowing Actinaria.
physergate
n. [Gr. physa, bladder; ergate, worker] (ARTHROPODA: Insecta) In Hymenoptera Formicidae, large workers capable of egg production, but mainly utilized for honey storage. ...
physiogenesis
n. [Gr. physis, nature; genesis, beginning] Differentiation of the embryo leading to distinctive differences between and within regions; see histogenesis.
physiology
n. [Gr. physis, nature; logos, discourse] The study of cell and tissue function and activities of living organisms.
physogastry
n. [Gr. physa, bladder; gaster, belly] (ARTHROPODA: Insecta) Swelling of the abdomen due to hypertrophy of fat bodies, ovaries, or both.
phytoalexins
n. [Gr. phyton, plant; alexein, to protect] A group of protective substances synthesized by plants as a result of infection, thought to aid in resistance to nematodes, ...
phytobiotic
adj. [Gr. phyton, plant; bios, life] Living within plants.
phytoparasite
n. [Gr. phyton, plant; para, beside; sitos, food] A plant parasite; phytoparasitic adj..
phytophaga
n. pl. [Gr. phyton, plant; phagein, to eat] A member of a vegetable-eating group of animals.
phytophagous
adj. [Gr. phyton, plant; phagein, to eat] Feeding on plants; herbivorous.
phytophilous
adj. [Gr. phyton, plant; philos, loving] Pertaining to species that live or feed on plants.
piceous
adj. [L. piceus, pitchy] Pitch-black, brownish or reddish black.
pick
n. [A.S. pic, pike] (ARTHROPODA: Insecta) In Psocoptera, a detached styliform process of the lacinia.
pictured
adj. [L. pictura, picture] (ARTHROPODA: Insecta) Pertaining to spots or bands on wings.
pigment
n. [L. pignere, to paint] Coloring matter of plants and animals.
pigment cell
A chromatophore; a chromocyte.
pigmenta cercaria
(PLATYHELMINTHES: Trematoda) Amphistome cercaria with stellate melanophores; see diplocotylea cercaria.
pileus
n.; pl. pilei [L. pileus, cap] (CNIDARIA: Scyphozoa) The umbrella- shaped structure of a jellyfish.
pilidium
n. [L. dim. pileus, cap] (NEMERTEA) A helmet-shaped free-swimming larva.
pilifer
n. [L. pilus, hair; ferre, to carry] (ARTHROPODA: Insecta) In Lepidoptera, one of a pair of lateral projections on the labrum.
piliferous
adj. [L. pilus, hair, ferre, to carry] Bearing hair.
pillar
n. [L. pila, pillar] 1. (MOLLUSCA: Bivalvia) An inwardly projecting outer shell layer along the length of the lower valve. 2; see columella.
pillared eye
see turbinate eye.
pilose
adj. [L. pilus, hair] Hairy; with fine, soft hair.
pilus
n.; pl. pili [L. pilus, hair] A hair or hair-like structure.
pinacocyte
n. [Gr. pinax, tablet; kytos, container] (PORIFERA) The large flat polygonal cells that line all surfaces, except those of the choanocyte chambers; see exopinacocyte, ...
pinacoderm
См. pinnacoderm.
pinaculum
n. [Gr. pinax, tablet] (ARTHROPODA: Insecta) Small, flat or slightly raised chitinized area with one to four setae.
pincers
n. pl. [OF. pincier, to pinch] Any structure that resembles the grasping end of pincers.
pinna
n.; pl. pinnae [L. feather] 1. A wing or fin. 2. (ARTHROPODA: Insecta) The part of the trumpet of Culicidae pupae from the apex to an imaginary line drawn approximately ...
pinnacoderm
n. [Gr. pinax, tablet; derma, skin] (PORIFERA) The outer delimiting membrane layers of pinacocytes; ectosome.
pinnafid
n. [L. pinna, feather; findare, to split] (ARTHROPODA: Insecta) Wings that are deeply divided, as in Thysanoptera.
pinnate
adj. [L. pinnatus, feathered] 1. Feather or fern-like in appearance. 2. Having hairs, thorny or lateral processes on opposite sides.
pinnules
n. pl. [L. dim. pinna, feather] 1. (ANNELIDA: Polychaeta) The lessened lateral paddle-like parapodia. 2. (ECHINODERMATA: Crinoidea) Short tapering, flexible lateral ...
pinocytosis
n. [Gr. pino, drink; kytos, container] Ingestion or absorption of surrounding fluids by a cell, that forms a vesicle by incupping of the surface membrane.
pinosome
n. [Gr. pino, drink; soma, body] Intracellular vesicle containing material taken up by pinocytosis.
pinule
См. pinulus.
pinulus
n. [L. dim. pinna, feather] (PORIFERA) A spicule resembling a fir tree because of small spines developing on one ray, usually 5 rayed spicules.
pioneer community
Organisms that establish a new community on bare ground.
piping
n. [L. pipare, to chirp] (ARTHROPODA: Insecta) In Apis, sound made by young queens after their emergence.
piptoblast
n. [Gr. piptein, to fall; blastos, bud] (BRYOZOA) An encapsulated bud not released from parent colony.
piriform
adj. [L. pirum, pear; forma, shape] Pear-shaped; pyriform.
piscicolous
adj. [L. piscis, fish; colere, to inhabit] Living in fish.
pisciform
n. [L. piscis, fish; forma, shape] Fish-shaped.
pisiform
adj. [L. pisum, a pea; forma, shape] Pertaining to peashaped; a small globular body.
pit gland
(ROTIFERA: Monogononta) A secretion gland in the form of a cuplike pit on the corona.
pith
n. [A.S. pitha, marrow, pith] (PORIFERA) A central region of more diffuse collagen found within a spongin fiber.
pivotal axis
(MOLLUSCA: Bivalvia) An axis at the ligament about which the valves rotate.
pivotal bar
(BRYOZOA) In Cheilostomata avicularia, a complete skeletal rim on which the fixed end of the mandible is hinged.
placids
n. pl. [Gr. plax, plate] (KINORHYNCHA) Large plates located on the 3rd zonite (neck) with retractable necks; nonretractable are located on the 2nd zonite and sometimes ...
placoid
adj. [Gr. plax, plate] Plate-like.
placoid sensilla
see sensillum placodeum.
plaga
adj.; pl. plagae [L. plaga, stripe] A stripe or streak of color; plagate adj..
plagiosere
n. [Gr. plagios, oblique; serere, to join] The succession of plant diversion into a new course by biotic factor or factors; see prisere.
plagiotriaene
adj. [Gr. plagios, oblique; triaina, trident] (PORIFERA) In tetraxons, having clads directed forward and making an angle of about 45° with the produced axis of the ...
plagula
n. [L. plagula, veil] (ARTHROPODA: Chelicerata) In Arachnida, a ventral plate protecting the pedicle.
plait
n. [L. plicare, to fold] 1. Longitudinally folded or laid in pleats. 2. (MOLLUSCA: Gastropoda) Applied to folds on the columella or pillar.
planaea
n. [L. planus, flat] A conjectured organism in the form of a ciliated planula, purported to be a stage in the evolution of higher animals.
plane
adj. [L. planus, flat] 1. A smooth flat surface, devoid of markings or configurations. 2. A plasmagene or plasmid.
plane of symmetry
The median plane dividing a bilaterally symmetrical animal into two halves that are mirror images of each other.
planidium
n.; pl. -idia [Gr. dim. plane, wanderer] (ARTHROPODA: Insecta) The free-living, active, first-instar larva of some parasitic hypermetamorphic Neuroptera, Coleoptera ...
planipennate
adj. [L. planus, flat; penna, wing] Flat-winged.
planispiral
adj. [L. planus, flat; spira, coil] (MOLLUSCA: Gastropoda) Shells coiled in a single plane like a flat spiral with symmetrical sides; loosely used for shells whorled in a ...
plankton
n. [Gr. plankton, wandering] 1. Pelagic animals collectively, distinguished from coast or bottom forms. 2. A general name for animals (zooplankton) or plants (phytoplankton) ...
planktotrophic
larva (BRYOZOA: Gymnolaemata) Free-living, ciliated larvae with a long motile life before metamorphosis.
planoblast
(CNIDARIA: Hydrozoa) The free-swimming medusa form.
planorboid
adj. [L. planus, flat; orbis, a circle] Flat and orb-like.
planta
n.; pl. plantae [L. planta, sole of foot] (ARTHROPODA: Insecta) In some larval forms, an apical area of the leg bearing a row or circle of outwardly curved hooks or crochets ...
plantar
adj. [L. planta, sole of foot] (ARTHROPODA: Insecta) Of or pertaining to the planta or sole of the foot.
plantella
see empodium.
plantula
n.; pl. -lae [L. plantula, small sole] (ARTHROPODA: Insecta) A pad-like sole on the underside of the tarsal segment; see pulvillus.
planula
n.; pl. -lae [L. planus, flat] (CNIDARIA) A free-swimming ciliated larva, cylindrical to ovoid with two cell layers (ectoderm and endoderm).
plaques
n. [F. plaque, plate] 1. (NEMATA) Cuticular "warts". 2. (POGONOPHORA) Small scales of cuticle on the trunk papillae.
plasma
n. [Gr. plasma, formed or molded] The fluid portion of blood or lymph.
plasma membrane
A unit membrane surrounding the cell\'s protoplasm; cell membrane; plasmalemma.
plasmagene
n. [Gr. plasma, formed or molded; gennaein, to produce] A genetic factor located in the cytoplasm, rather than in the nucleus; a plasmid; a plane.
plasmalemma
see plasma membrane.
plasmatocytes
n. pl. [Gr. plasma, formed or molded; kytos, container] Small to large polymorphic hemocytes with a round to elongate nucleus and with either homogeneous or finely ...
plasmid
n. [Gr. plasma, formed or molded; eidos, like] DNA molecules that are not attached to a chromosome but are inherited regularly.
plasmon
n. [Gr. plasma, formed or molded] All extrachromosomal hereditary determinents; plasmotype.
plasmosome
see nucleolus.
plasmotype
see plasmon.
plastic
adj. [Gr. plasma, a thing molded] Formative.
plastids
n. pl. [Gr. plastos, formed; dim. -idion] A generalized term for cell organelles.
plastosomes
see mitochondria.
plastron
n. [F. plastron, breast plate] 1. The chorion of some eggs. 2. (ARTHROPODA: Insecta) A permanent film of air retained by hairs on the outside of an aquatic insect body ...
plate organ
see sensillum placodeum.
plates
n. pl. [L. plattus, flat] (ARTHROPODA: Insecta) In Diaspidinae, gland spines of the pygidium that are multiple branched, with or without a duct.
platyform larva
(ARTHROPODA: Insecta) An extremely flattened larva; an onisciform larva.
Platyhelminthes
n. pl. [Gr. platys, flat; helminthos, of worms] A phylum of acoelomate animals commonly called flatworms, including the flukes, tapeworms and turbellarians.
platymyarian
adj. [Gr. platys, flat; mys, muscle] (NEMATA) Having fibers of the muscle cells adjacent and perpendicular to the hypodermis; see coelomyarian.
plectanes
n. [Gr. plektos, twisted] (NEMATA) Cuticular plates that function as supports for the male genital papillae.
plectolophe
n. [Gr. plektos, twisted; lophos, crest] (BRACHIOPODA) A lophophore where each branchium has a U-shaped side arm with a double row of paired filamental appendages, ...
plectrum
n. [L. plectrum, a tool for plucking a stringed instrument] (ARTHROPODA: Insecta) In Coleoptera, a single scraper used against a roughened file (strigil) that causes a ...
plegma
n.; pl. plegmata [Gr. plegma, plaited] (ARTHROPODA: Insecta) In scarabaeoid larvae, a single fold; see plegmatium, proplegmatium.
plegmatium
n.; pl. -tia [Gr. plegma, plaited] (ARTHROPODA: Insecta) In scarabaeoid larvae, a lateral paired area with a plicate, sclerotized surface, bordered by marginal plegmated ...
pleiomorphic
См. pleomorphic.
pleiomorphism
См. pleomorphism.
pleiotrophy
См. pleiotropism.
pleiotropism
n. [Gr. pleion, more; tropein, to turn] Multiple phenotypic effects of a single gene.
pleomere
see abdominal somite.
pleometrosis
n. [Gr. pleion, more; metros, mother] (ARTHROPODA: Insecta) A colony containing two or more fertilized egglaying females (queens); social colony foundation; monometrosis; ...
pleomorphic
adj. [Gr. pleion, more; morphe, form] Having the ability to change shape; polymorphic, or a type of polymorphism.
pleomorphism
n. [Gr. pleion, more; morphe, form] 1. Polymorphism. 2. A type of polymorphism exhibited as several different stages in a life cycle.
pleon
См. pleonites.
pleonic hinges
(ARTHROPODA: Crustacea) In Decapoda, mid-lateral hinges that lock together the pleural somites.
pleonites
see abdomen.
pleophyletic
see polyphyletic.
pleopod
n. [Gr. plein, to swim; pous, foot] (ARTHROPODA: Crustacea) In Malacostraca, paired appendages of any of the first 5-6 somites, adapted for swimming; swimmeret.
pleotelson
n. [Gr. plein, to swim; telson, limit] (ARTHROPODA: Crustacea) The telson and one or more abdominal somites combined by fusion.
plerergate
see replete.
plerocercoid
n. [Gr. pleres, full; kerkos, tail; eidos, like] (PLATYHELMINTHES: Cestoda) An elongate metacestode developed from a procercoid.
plerocercoid stage
(PLATYHELMINTHES: Cestoda) A third-stage larva of Pseudophyllidea and Proteocephalidea with a solid body.
plerocercus stage
(PLATYHELMINTHES: Cestoda) In Trypanorhyncha, a metacestode in which the posterior forms a bladder (blastocyst) into which the rest of the body withdraws.
plerocestoid
n. [Gr. pleres, full; kestos, girdle; eidos, like] (PLATYHELMINTHES: Cestoda) The stage emerging from an oncosphere that upon development is known as a metacestode.
plesioasters
n. pl. [Gr. plesios, near; aster, star] (PORIFERA) Streptasters with few spines from a very short axis. plesiobiosis n. [Gr. plesios, near; biosis, manner of life] 1. A ...
plesiomorphy
n. [Gr. plesios, near; morphos, form] A term referring to original or primitive characters being retained; normally used in cladistic taxonomy; see apomorphy, ...
plesiotype
n. [Gr. plesios, near; typos, type] A specimen upon which a subsequent or additional description or illustration of a previously named species is based.
pleura
n.pl; sing. pleuron [Gr. pleura, side] (ARTHROPODA) A lateral region on the sides of the body of certain arthropods; for crustaceans see epimere; pleural adj..
pleural angle
(MOLLUSCA: Gastropoda) In the plane through entire shell axis, angle between two straight lines lying tangential to the last two whorls on opposite sides.
pleural apophyseal pit
(ARTHROPODA: Insecta) In Diptera, an external depression at the point of origin of the pleural apophysis, usually situated at the lower end of the pleural suture.
pleural apophysis
(ARTHROPODA: Insecta) The internal arm of the pleural ridge that aids in resistance to the lateral elasticity of the thorax when in flight; see sternal apophyses.
pleural area
1. (ARTHROPODA: Insecta) In Hymenoptera, the lateral area of the propodeum, next to the metapleurum; divided into three parts, the first (front), second (middle), with the ...
pleural arm
see pleural apophysis.
pleural coxal process
(ARTHROPODA: Insecta) The process of the pleuron at the base of the pleural ridge with which the coxa articulates.
pleural lobe
see epimere.
pleural membrane
(ARTHROPODA: Insecta) The membrane occurring between the tergum and sternum of a body segment.
pleural ridge
(ARTHROPODA: Insecta) A vertical strengthening ridge above the coxa that divides the pleuron into an anterior episternum and a posterior epimeron, well developed in wing ...
pleural sclerites
see pleura.
pleural sulcus
see mesopleural suture.
pleural suture
1. (ARTHROPODA: Crustacea) The line of separation of carapace in molting. 2. (ARTHROPODA: Insecta) A suture on a thoracic pleuron extending from the base of the wing to ...
pleural wing process
(ARTHROPODA: Insecta) 1. The dorsal margin of the pleural ridge that articulates with the second axillary sclerite in the wing base. 2. In Culicidae mesothorax, located ...
pleuralia
n. pl. [Gr. pleura, side] (PORIFERA) Spicules protruding from lateral surface.
pleurella
see sternopleurite.
pleurembolic proboscis
(MOLLUSCA) A partially invaginable proboscis with the distal part enclosed in a proboscis sheath; see acrembolic proboscis.
pleurepimere
see epimere.
pleurergate
n. [Gr. pleuron, side; ergate, worker] (ARTHROPODA: Insecta) In Formicidae, a worker capable of ingesting liquid food into its gaster until it becomes a spherical sac. ...
pleurite
n. [Gr. pleuron, side; -ites, nature of] (ARTHROPODA) A lateral sclerite of a somite; for crustaceans see epimere.
pleurobranch
n. [Gr. pleuron, side; branchia, gills] (ARTHROPODA: Crustacea) In Decapoda, a gill attached directly to the body wall; pleurobranchia.
pleurolophocercous cercaria
(PLATYHELMINTHES: Trematoda) A gymnocephalous type cercaria with a pair of fin folds; parapleurolophocercous cercaria.
pleuron
see pleura.
pleuropod
see precoxa.
pleuropodium
n.; pl. -dia [Gr. pleuron, side; pous, foot] 1. (ARTHROPODA: Insecta) Lateral embryonic band formed by a modified abdominal leg. 2. (MOLLUSCA: Gastropoda) One of a pair ...
pleurosternal suture
see mesopleurosternal suture.
pleurosternite
see laterosternite.
pleurosternum
n. [Gr. pleuron, side; sternon, chest] (ARTHROPODA: Insecta) A thoraxic sternal plate that facilitates the limb bases; the coxosternum; pleurosternal adj..
pleurostoma
n. [Gr. pleuron, side; stoma, mouth] (ARTHROPODA: Insecta) The region of the subgena above the mandible.
pleurostomal suture
(ARTHROPODA: Insecta) The part of the subgenal sulcus above the mandible.
pleurotergite
n. [Gr. pleuron, side; L. tergum, back; Gr. -ites, nature of] (ARTHROPODA: Insecta) 1. A sclerite containing both pleural and tergal elements. 2. In Diptera, the lateral ...
pleurothetic
adj. [Gr. pleuron, side; thatos, placed] (MOLLUSCA: Bivalvia) Resting on its side, especially in regard to oysters.
pleuston
n. [Gr. pleustes, sailor] Free-floating macroorganisms.
plexus
n.; pl. plexuses [L. plexus, a twining] A network of interlaced nerves or blood vessels.
plica
n.; pl. -cae [L. plicare, to fold] 1. A bend, fold, wrinkles, crenulations or scallops; annulets. 2. (MOLLUSCA: Bivalvia) a. A lamellibranch gill in which the lamella are ...
plica analis
see vannal fold.
plica jugalis
(ARTHROPODA: Insecta) The jugal fold or radial line of folding of wings, setting off the jugal region from the vannal region; axillary furrow, plica anojugalis.
plica vannalis
see vannal fold.
plicate
adj. [L. plicare, to fold] Folded; parallel ridges or striae appearing as folds or pleats.
plication
n. [L. plicare, to fold] A minute fold or ridge; plicatulate adj..
pliciform
adj. [L. plicare, to fold; forma, shape] Having a plaitlike form.
ploidy
n. [Gr. aploos, onefold; edios, like] A term referring to the number of chromosome sets.
plumbeous
adj. [L. plumbum, lead] Lead-colored.
plume
n. [L. pluma, feather] Feather-like structures; plumate adj..
plumicome
n. [L. pluma, feather; coma, hair] (PORIFERA) A spicule with plume-like tufts.
plumoreticulate skeleton
(PORIFERA) A type of skeletal construction having fibers or spicule tracts diverge in plumose fashion, still retaining cross-connections; see plumose skeleton.
plumose
adj. [L. pluma, feather] Having fine processes on opposite sides; feather-like.
plumose skeleton
(PORIFERA) A type of skeletal construction having diverging fibers or spicule tracts showing few if any cross-connections; see plumoreticulate skeleton.
plurilocular
adj. [L. plus, more; loculus, little place] With 2 or more loculi or compartments; multilocular.
plurinuclear
adj. [L. plus, more; nuclear, kernal] Having many nuclei present, as in syncytium.
pluriseptate
n. [L. plus, more; septum, partition] With multiple septa.
pluteus
(ECHINODERMATA) A free-swimming, bilaterally symmetrical larva of the echinoderm classes Ophiuroidea and Echinoidea, characterized by the cilia extending onto arms ...
plyopod
n. [Gr. plynos, basin; pous, foot] (ARTHROPODA: Crustacea) In Gnathiidea Isopoda, the first thoracopod of the male; it may be flattened and cover the buccal cavity or in ...
pneumatization
n. [Gr. pneuma, air] (ARTHROPODA: Insecta) A process completed in an embryonic tracheal system when liquid is replaced by gas; pneumatized adj..
pneumatized
adj. [Gr. pneuma, air] Having air cavities.
pneumatocodon
n. [Gr. pneuma, air; kodon, bell] (CNIDARIA: Hydrozoa) In Siphonophora, the external wall of a float.
pneumatophore
n. [Gr. pneuma, air; phoreus, bearer] (CNIDARIA: Hydrozoa) In Siphonophora, a muscular organ that possesses a gas secreting gland and functions as an air sac float of a ...
pneumatosaccus
n. [Gr. pneuma, air; sakkos, sac] (CNIDARIA: Hydrozoa) In Siphonophora, an air sac; an internal subumbrellan wall.
pneumostome
n. [Gr. pneuma, air; stoma, mouth] (MOLLUSCA: Gastropoda) A pore connecting the pulmonate lungs with the exterior.
pneumotaxis
n. [Gr. pneuma, air; taxis, arrangement] A reaction to gases, particularly carbon dioxide.
poculiform
adj. [L. poculum, cup; forma, shape] Cup-shaped; goblet-shaped.
pod
n. [ME. pod, bag] (ARTHROPODA: Insecta) Eggs cemented together in a mass, particularly in Orthoptera.
podeon
see propodeum, metapodeon.
podial opening
См. podial pore.
podial pore
(ECHINODERMATA: Asteroidea) The passage between ambulacrals for passage of the tube foot.
podilegous
adj. [Gr. pous, foot; legere, to collect] (ARTHROPODA: Insecta) Having pollen baskets on the legs.
podite
n. [Gr. pous, foot] (ARTHROPODA) A limb segment; podomere.
podium
n.; pl. podia [Gr. pous, foot] (ECHINODERMATA: Asteroidea) The cyclindrical outer part of the tube foot.
podobranch
n. [Gr. pous, foot; branchia, gills] (ARTHROPODA: Crustacea) Gills borne on the coxa of the thoracopod; podobranchia.
podocephalic glands
(ARTHROPODA: Chelicerata) In actinotroch Acari, ancestrally four glands near the base of leg I; anterior, median, coxal, and lateral glands.

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