Definition of tentacle

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Tentacle (n.) 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..

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Spirable :: Spiodea (n. pl.) An extensive division of marine Annelida, including those that are without oral tentacles or cirri, and have the gills, when present, mostly arranged along the sides of the body. They generally live in burrows or tubes..
Sustentacular :: Sustentacle (n.) Sustenance.
Phylactolaemata :: Phylactolaemata (n. pl.) An order of fresh-water Bryozoa in which the tentacles are arranged on a horseshoe-shaped lophophore, and the mouth is covered by an epistome. Called also Lophopoda, and hippocrepians..
Sea Orange :: Sea orange () A large American holothurian (Lophothuria Fabricii) having a bright orange convex body covered with finely granulated scales. Its expanded tentacles are bright red.
Meconidium :: Meconidium (n.) A kind of gonophore produced by hydroids of the genus Gonothyraea. It has tentacles, and otherwise resembles a free medusa, but remains attached by a pedicel..
Actinotrocha :: Actinotrocha (n. pl.) A peculiar larval form of Phoronis, a genus of marine worms, having a circle of ciliated tentacles..
Ctenostomata :: Ctenostomata (n. pl.) A suborder of Bryozoa, usually having a circle of bristles below the tentacles..
Zoanthus :: Zoanthus (n.) A genus of Actinaria, including numerous species, found mostly in tropical seas. The zooids or polyps resemble small, elongated actinias united together at their bases by fleshy stolons, and thus forming extensive groups. The tentacles are small and bright colored..
Ambulacrum :: Ambulacrum (n.) One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays..
Vestlet :: Vestlet (n.) Any one of several species of actinians belonging to the genus Cerianthus. These animals have a long, smooth body tapering to the base, and two separate circles of tentacles around the mouth. They form a tough, flexible, feltlike tube with a smooth internal lining, in which they dwell, whence the name..
Spadix :: Spadix (n.) A special organ of the nautilus, due to a modification of the posterior tentacles..
Polyactinia :: Polyactinia (n. pl.) An old name for those Anthozoa which, like the actinias, have numerous simple tentacles..
Tentaculiform :: Tentaculiform (a.) Shaped like a tentacle.
Opelet :: Opelet (n.) A bright-colored European actinian (Anemonia, / Anthea, sulcata); -- so called because it does not retract its tentacles..
Tubularia :: Tubularia (n.) A genus of hydroids having large, naked, flowerlike hydranths at the summits of long, slender, usually simple, stems. The gonophores are small, and form clusters at the bases of the outer tentacles..
Rhizostomata :: Rhizostomata (n. pl.) A suborder of Medusae which includes very large species without marginal tentacles, but having large mouth lobes closely united at the edges. See Illust. in Appendix..
Gastropoda :: Gastropoda (n. pl.) One of the classes of Mollusca, of great extent. It includes most of the marine spiral shells, and the land and fresh-water snails. They generally creep by means of a flat, muscular disk, or foot, on the ventral side of the body. The head usually bears one or two pairs of tentacles. See Mollusca..
Spirant :: Spiralozooid (n.) One of the special defensive zooids of certain hydroids. They have the form of long, slender tentacles, and bear lasso cells..
Hippocrepian :: Hippocrepian (n.) One of an order of fresh-water Bryozoa, in which the tentacles are on a lophophore, shaped like a horseshoe. See Phylactolaema..
Tentacular :: Tentacular (a.) Of or pertaining to a tentacle or tentacles.
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