Studies of the dynamics of the "nipple valve" in dogs with continent colostomies.
D000818:Animals; D002404:Catheterization; D003106:Colon / Q000502:physiology; D003125:Colostomy / Q000379:methods*; D003672:Defecation; D004285:Dogs; D008365:Manometry; D009119:Muscle Contraction; D011312:Pressure; D014159:Transducers