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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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720Maggenti and Gardnerpoststernellum see spinasternumpoststigmatal primary tubercle (ARTHRO: Insecta) In caterpillars,a tubercle on the thorax.postsynaptic a. [L. post, after; Gr. synapsis, union] Pertainingto structures or events on the receiving side <strong>of</strong> a synapse.posttriangular cells see discoidal cellpostuterine sac (NEMATA) A reduced, degenerate uterus nonfunctionalin gamete production, usually posteriad to thevulva; may function as a storage organ for sperm in somespecies.postvertical bristles (ARTHRO: Insecta) In Diptera, a pair <strong>of</strong>bristles behind the ocelli, generally on the posterior surface<strong>of</strong> the head.postvulvar uterine branch see postuterine sacpotamoplankton n. [Gr. potamos, river; plankton, wandering]Plankton <strong>of</strong> running water.potential n. [L. potens, having power] In electrophysiology,the difference in charge between two points; usually in millivolts.pouch n. [OF. poche] 1. A small or moderate size receptacle,sac or bag. 2. (ARTHRO: Insecta) In Hymenoptera, the foodholder for bumblebee larvae. 3. (CNID: Scyphozoa) An extension<strong>of</strong> the stomach cavity.pouch-makers (ARTHRO: Insecta) Bumblebee species thatbuild special pollen-filled pouches next to groups <strong>of</strong> theirlarvae.praecoxa n.; pl. -ae [L. prae, before; coxa, hip] (ARTHRO:Chelicerata) In arachnids, a term used instead <strong>of</strong> coxa insome groups.praesoma n. [L. prae, before; Gr. soma, body] (ACANTHO) Theproboscis, neck, and attached muscles and organs.praniza n. (ARTHRO: Crustacea) In Isopoda, a parasitic larva <strong>of</strong>fishes in the suborder Gnathiidea.prasinous a. [Gr. prasinos, leek green] Light green tending toyellow; the color <strong>of</strong> a leek.pratinicolous n. [L. pratum, meadow; incola, inhabitant] Liv-

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