Relating to the ischium and the corpus cavernosum. ... (05 Mar 2000) ... 
Type: Term Pronunciation: is′kē-ō-kav′ĕr-nŭs Definitions: 1. Relating to the ischium and corpus cavernosum.(muscle) Type: Term Definitions: 1. muscle of urogenital triangle; origin, ramus of ischium; insertion, corpus cavernosum penis (or clitoridis); action, compresses the crus of the penis (or clitoris) forcing blood in its sinuses into the distal part of the corpus cavernosum and diminishing egress of venous blood; nerve supply, pu...