The anal cushions--a fresh concept in diagnosis.
The anal canal is lined by cushions of specialized submucosal tissue which assist the continence mechanism. Starting with that premise, its various afflictions are examined and found to be more logically related, and much more readily understood.
D001003:Anal Canal / Q000098:blood supply / Q000502:physiology / Q000503:physiopathology; D001004:Anus Diseases / Q000175:diagnosis* / Q000503:physiopathology; D003672:Defecation; D006801:Humans; D009092:Mucous Membrane / Q000098:blood supply / Q000502:physiology / Q000503:physiopathology