posterior vaginal wall prolapse enterocele http://purl.bioontology.org/ontology/MEDDRA/10014884 http://purl.obolibrary.org/obo/DOID_1283 http://www.ebi.ac.uk/efo/EFO_0020006 https://en.wikipedia.org/wiki/Enterocele https://www.wikidata.org/wiki/Q5380222 A pelvic organ prolapse that is characterized by the descent of a peritoneal sac containing small bowel into the rectovagnial space causing a bulge in the posterior vaginal wall. enteroceles vaginal enterocele