anorectal pressures at rest , during conscious contraction of the external sphincter , during serial distension of the rectum and during straining to inflate a balloon were measured in 56 patients ( 21 patients with full thickness rectal prolapse , 24 patients with anterior mucosal prolapse , 11 patients with solitary rectal ulcer ) and in 30 normal subjects .
C0034888
rectal prolapse
C0033377
prolapse