Cirrus (biology)
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In biology, a cirrus is a long, thin structure in an animal similar to a tentacle but generally lacking the tentacle's strength, flexibility, thickness, and sensitivity.
Adult female roughhead blenny with supraorbital cirri
Tentacle
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In zoology, a tentacle is a flexible, mobile, and elongated organ present in some species of animals, most of them invertebrates. In animal anatomy, tentacles usually occur in one or more pairs. Anato
Cirrus (biology)
…cirrus ( SIRR-əs, pl.: cirri, SIRR-eye, from the Latin cirrus meaning a curl-like tuft or fringe) is a long, thin structure in an animal similar to a tentacle but generally lacking the tentacle's strength, flexibility, thickness, and sensitivity. In the sheep liver fluke, for example, the cirrus is the worm's…
Front view of land snail showing upper and lower sets of tentacles
Abalone showing pallial tentacles
Deep-sea ctenophore trailing tentacles studded with tentilla