Definition of Tentacle sheath. Meaning of Tentacle sheath. Synonyms of Tentacle sheath

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Definition of Tentacle sheath

Tentacle sheath
Tentacle Ten"ta*cle, n. [NL. tentaculum, from L. tentare to handle, feel: cf. F. tentacule. See Tempt.] (Zo["o]l.) A more or less elongated process or organ, simple or branched, proceeding from the head or cephalic region of invertebrate animals, being either an organ of sense, prehension, or motion. Tentacle sheath (Zo["o]l.), a sheathlike structure around the base of the tentacles of many mollusks.

Meaning of Tentacle sheath from wikipedia

- in length. It has a pair of long tentacles that are used to catch prey and can be retracted into sheaths. The tentacles are up to twenty times the length...
- two-thirds of the way towards the mouth. Tentacle sheaths are closely pressed to the stomodeum. The elongated tentacles possess two varieties of slightly yellowish...
- organs and tissues of each individual zooid. This includes the tentacles, tentacle sheath, U-shaped digestive tract, musculature and nerve cells. It is...
- zooids incubating non-feeding pseudocyphonautes larva in the modified tentacle sheath. Flustrellidra hispida is an amphiboreal species, widely distributed...
- juveniles have large mouths and, like the adults, lack both tentacles and tentacle sheaths. In some groups, such as the flat, bottom-dwelling platyctenids...
- structure, a fleshy sheath that contains the second structure: an extendable cirrus (plural: cirri). The sheaths of the digital tentacles are fused at their...
- adhesive substance which ensnares the prey. These tentacles can be retracted into a tentacle sheath. The body is on the whole light pink in colour, oval...
- feathery, contractile tentacles, which can be retracted into specialised ciliated sheaths. In some species, the primary tentacles are reduced and they...
- each of the animal's tentacles is composed of a thin flexible cirrus and the corresponding hardened and protective cirrus sheath into which the cirri...
- shoulder regions of the s****. The sheaths of this species have scalloped edges compared with the smooth sheaths of N. pompilius. N. stenomphalus also...