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Post-mortem image of Corkscrew claw, transverse section, cow
corkscrew-transverse-section-cow-cramer-sized
Post-mortem image of Corkscrew claw, transverse section, cow

    This photograph of a transverse section of both hooves of the right hind leg of a cow shows a corkscrew on the medial hoof, illustrating the rotation and changes in the third phalanx.

Courtesy of Dr. Gerard Cramer.