screw-tail

screw-tail

inherited tail formation in some breeds of dogs with naturally short tails, e.g. British bulldog, in which there are usually multiple malformations of the coccygeal vertebrae producing a curled or otherwise distorted, stumpy tail. Called also ingrown tail.

screw-tail dermatitis
irritation and sometimes significant secondary infection occurring in the skin fold surrounding the base of a screw-tail. See also fold dermatitis.