Mucosa lining the preputial cavity prolapses through the preputial orifice. (Roger W. Blowey BSc BVSC FRCVS FRAgS, A. David Weaver BSc DR MED VET PHD FRCVS, in Color Atlas of Diseases and Disorders of Cattle (Third Edition), 2011)
Note
Preputial prolapses in bulls, rams, and boars are physical conditions impairing an animal's ability to copulate.