System Glossary
 Glossary Search for unculus (Search Options)

Definition of Term

(English) A horny projection arising from a single cell of the epidermis, unlike the multicellular, horny breeding tubercles; found in Chanidae, Cyprinidae, Balitoridae, Sisoridae, e.g. on the disc of Garra and over much of the body surface in some Sisoridae. Function is possibly adhesive, protection of the skin, rasping and hydrodynamic (plural unculi).

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