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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> 897tentacle sheath (BRYO) That part <strong>of</strong> the body wall that supportsand encloses the tentacles when everted and retracted.tentacular atrium (BRYO) A cavity inside the tentacle sheath,with tentacles retracted.tentacular bulb (CNID) Swelling at the base <strong>of</strong> a medusoidtentacle that serves primarily in digestion and manufacture<strong>of</strong> nematocysts and sometimes bears an ocellus or othersensory structure; ocellar bulb.tentacular cirrus (ANN: Polychaeta) Sensory projection(s) <strong>of</strong>the peristomium or cephalized segment.tentacular club (MOLL: Cephalopoda) A terminal suckered pad,comprised <strong>of</strong> carpus, manus and dactylus.tentacular crown see branchial crowntentacular fold (MOLL: Bivalvia) The central fold <strong>of</strong> the oystermantle edge that bears the tentacles in two rows.tentacular palp (ANN: Polychaeta) A grooved, food-gatheringappendage in many sedentary species.tentaculocyst see rhopaliumtentaculozooid n. [L. tentaculum, feeler; Gr. zoon, animal;eidos, form] (CNID: Hydrozoa) A modified polyp in the form<strong>of</strong> a single tentacle, usually found at the outermost part <strong>of</strong>the colony; a protective zooid. see tentaculozooid, gastrozooid.tentilla n. [L. tentaculum, feeler] (CNID: Hydrozoa) In Siphonophora,lateral contractile tentacular branches.tentorial bar (ARTHRO: Insecta) The right or left half <strong>of</strong> thetentorium, consisting mainly <strong>of</strong> the united anterior andposterior arms.tentorial bridge (ARTHRO: Insecta) The apices <strong>of</strong> the twoposterior arms fused medially; incomplete or absent inmost Diptera.tentorial fovea see tentorial pitstentorial macula (ARTHRO: Insecta) The depressions or darkspots marking the points <strong>of</strong> union <strong>of</strong> the dorsal tentorialarms and the epicranal wall near the antennae.

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