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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 901chiferous.test-cross see back-crosstestis n.; pl. testes [L. testis, testicle] That portion <strong>of</strong> themale reproductive system producing spermatozoa; a spermary.testisac n. [L. testis; testicle; saccus, sac] (ANN: Hirudinoidea)The testis sac.testis sac (ANN: Oligochaeta) A membranous sac around thetestis, seminal vesicle and the funnel to the vas deferens.testudinate a. [L. testudo, tortoise] In the form <strong>of</strong> the shell <strong>of</strong>a tortoise; arched; vaulted.tetanus, tetany n. [Gr. tetanos, stiffness] State <strong>of</strong> contraction<strong>of</strong> a muscle caused by continuous stimulation either naturalor electrical.tetracerous, tetracerate a. [Gr. tetra, four; keras, horn] Havingfour horns.tetraclad n. [Gr. tetra, four; klados, branch] (PORIF) A megascleredesma with rays bearing terminal couplings, or basedon a calthrops, or both; tetraclone .tetracladine, tetracrepid (PORIF) A tetraxonid desma.tetracotyle n. [Gr. tetra, four; kotyle, cup-shaped] (PLATY: Trematoda)A metacercaria in the family Strigeidae.tetractine see tetraxontetrad n. [Gr. tetra, four; -ad, collective noun] Any set <strong>of</strong> four.tetradelphic a. [Gr. tetra, four; delphys, womb] (NEMATA)Having four uteri.tetramerous a. [Gr. tetra, four; meros, part] 1. Having a fourjointed tarsus. 2. Having body parts arranged in fours.tetramorphic a. [Gr. tetra, four; morphe, form] (CNID: Hydrozoa)Having four distinct forms in one individual.tetraploid n. [Gr. tetraple, fourfold; eidos, like] A polyploidwith four haploid chromosome sets.tetrapod n. [Gr. tetra, four; pous, foot] Having 2 pair <strong>of</strong> legs.see bipod.tetrapterous a. [Gr. tetra, four; pteron, wing] Having 4 wings.

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