Definition of dorsal tentacles. Meaning of dorsal tentacles. Synonyms of dorsal tentacles

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Definition of dorsal tentacles

dorsal tentacles
Rhinophore Rhi"no*phore, n. [Rhino- + Gr. ??? to bear.] (Zo["o]l.) One of the two tentacle-like organs on the back of the head or neck of a nudibranch or tectibranch mollusk. They are usually retractile, and often transversely furrowed or plicate, and are regarded as olfactory organs. Called also dorsal tentacles. See Illust. under Pygobranchia, and Opisthobranchia.

Meaning of dorsal tentacles from wikipedia

- males were only described in the late 19th century. The males lack the dorsal tentacles used by the females to create their eggcases. The males use a modified...
- with respect to their environment, and because appendages like limbs and tentacles can change position with respect to the main body, terms to describe position...
- tentacles forming the outermost ring and the labial tentacles in between the digital tentacles and the mouth. There are 19 pairs of digital tentacles...
- at their oral tentacles. Order Apodida have a slender and elongate body lacking tube feet, with up to 25 simple or pinnate oral tentacles. Aspidochirotida...
- the tentacles, a single pair on the base of the fins on the dorsal mantle, a single pair at the anterior end of the hatching gland on the mid-dorsal mantle...
- prey. Hooks are present on the arms and tentacles in some species, but their function is unclear. The two tentacles are much longer than the arms and are...
- greenish dorsally, whitish ventrally. There are 3 or 4 dark bands on the caudal fin and the other fins are marked with large, dark blotches. The tentacled flathead...
- irregularly sinuated and turned up all round, forming two lobes before the dorsal tentacles, and expanded a good deal at the sides anteriorly, meeting in a point...
- The fish has 4 dorsal spines, 8 dorsal soft rays, no anal spines, 7 anal soft rays. It is commonly identified by "moderately long tentacle behind the eye...
- The major divisions of Coleoidea are based upon the number of arms or tentacles and their structure. The extinct and most primitive form, the Belemnoidea...