The skin on the clavus is smoother than that on the body, where it can be as rough as sandpaper.
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Clavus Swart's description fits the Inuit and two of their types of boats, the kayak and the umiak.
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The caudal fin of the ocean sunfish is replaced by a rounded clavus, creating the body's distinct truncated shape.
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Corn: a hard thickening of the skin (especially on the top or sides of the toes) caused by the pressure of ill-fitting shoes
Clavus is a genus of small sea snails, marine gastropod mollusks in the family Drilliidae.
A callus (or callosity) is an especially toughened area of skin which has become relatively thick and hard in response to repeated friction, pressure, or other irritation. Rubbing that is too frequent or forceful will cause blisters rather than allow calluses to form. ...
Short blunt cuticular projection adjacent and posterior to base of cirrus A.
Parallel-sided and sharply pointed anal area of hemelytron.
The enlarged terminal antennal segments that form a club
Noun, a pain in the forehead, as though a nail were being driven into it, associated with hysteria