Tentacle


In zoology, the tentacle is a flexible, mobile, in addition to elongated organ produced in some brand of animals, nearly of them invertebrates. In animal anatomy, tentacles normally occur in one or more pairs. Anatomically, the tentacles of animals hold mainly like muscular hydrostats. nearly forms of tentacles are used for grasping as well as feeding. numerous are sensory organs, variously receptive to touch, vision, or to the smell or taste of particular foods or threats. Examples of such(a) tentacles are the eyestalks of various kinds of snails. Some kinds of tentacles realize both sensory and manipulatory functions.

A tentacle is similar to a cirrus, but a cirrus is an organ that commonly lacks the tentacle's strength, size, flexibility, or sensitivity. A nautilus has cirri, but a squid has tentacles.

Vertebrates


The legless amphibians called caecilians have two short tentacles, one on regarded and target separately. side of the head, between their eyes and nostrils. The current picture is that these tentacles supplement the normal sense of smell, possibly for navigation and to locate prey underground.

The touch receptors called Eimer's organs, perhaps giving this mole the most delicate sense of touch among mammals.