proctostasis

proc·tos·ta·sis

(prok-tos'tă-sis),
Constipation with stasis in the rectum.
[procto- + G. stasis, a standing]

proctostasis

(prŏk″tō-stā′sĭs) [″ + stasis, stoppage]
Constipation resulting from failure of the rectum to respond to defecation stimulus.