corkscrew

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corkscrew

a deformity in which the affected part is spiraled like a corkscrew.

corkscrew claw
a probably heritable defect of the lateral claw, usually of the front feet, of cattle causing serious lameness. The third phalanx is small and the claw is long, thin and curls over the medial claw. It takes very little weight. Called also curved claw, curled toe.
corkscrew penis
a corkscrew twist of the anterior, free part of the penis occurs normally in the vagina when a bull makes an ejaculatory thrust. Premature corkscrew penis is an abnormality which prevents intromission. It is caused by insufficiency of the dorsal apical ligament of the penis, very rarely by trauma. Most common in polled beef breed bulls.
Enlarge picture
Corkscrew penis in a bull with a 90° ventral curvature. By permission from Blowey RW, Weaver AD, Diseases and Disorders of Cattle, Mosby, 1997
corkscrew tail
a short curled tail, sometimes with an abnormal setting at the butt, occurs in calves and dogs of the breeds with naturally short tails. In dogs it often leads to skin irritation with secondary pyoderma in the surrounding, deep fold of skin.