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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> 861thetic nervous systemstomodeal valve see cardiac valvestomodeum, stomodaeum n. [Gr. stoma, mouth; hodos,way, road] The anterior ectodermal portion <strong>of</strong> the alimentarycanal; the fore-intestine or foregut.stomogastric nerve see recurrent nervestomogastric nervous system (ARTHRO: Insecta) The nervoussystem directly connected to the brain, innervating thefore and middle intestine, heart and certain other parts;the esophageal nervous system; sympathetic system.stone canal (ECHINOD: Asteroidea) A vertical canal containingcalcareous deposits in its wall, that descends to the oralside <strong>of</strong> the disc, joining a circular canal (the water ring) atthe inner side <strong>of</strong> the ossicles that ring the mouth.storage pots (ARTHRO: Insecta) In Hymenoptera, containersconstructed <strong>of</strong> cerumen for food storage by social bees; ahoney pot.strahl n.; pl. strahlen [Ger. strahl, ray] A ciliary process, rayor barbule.straight-hinge veliger see protostracumstrangulated a. [L. strangulare, to strangle] Constricted; contracted;held in.strata pl. <strong>of</strong> stratumstratification n. [L. stratum, a cover; ficare, to make] Act orprocess <strong>of</strong> being made up <strong>of</strong> layers.stratum n.; pl. -ta [L. stratum, a cover] 1. A layer <strong>of</strong> tissue orcells that compose an organ. 2. A group <strong>of</strong> organisms inhabitinga particular geographical area. 3. A layer <strong>of</strong> vegetation,usually at the same stage <strong>of</strong> development. 4. Alayer <strong>of</strong> sedimentary rock or earth.strepsilaematous a. [Gr. strepsis, twisting; laimos, throat]Having a pharynx rotated along its length. see euthylaematous.streptasters n.pl. [Gr. strepsis, twisting; aster, star] (PORIF)Short, spiny, microscleric monaxon spicules.streptoneury n. [Gr. strepsis, twisting; neuron, nerve] (MOLL:

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