bulbospongiosus


Also found in: Encyclopedia.

bulbospongiosus

/bul·bo·spon·gi·o·sus/ (-spon″je-o´sus) bulbocavernous muscle.

bulbospongiosus

a muscle that covers the bulb of the penis in the male and the bulbus vestibuli in the female. Also called accelerator urinae, ejaculator urinae. Formerly called bulbocavernosus.

bulbospongiosus

(bŭl″bō-spŏn″jē-ō′sŭs)
One of the three voluntary muscles of the penis. It acts to empty the canal of the urethra after urination and to assist in erection of the corpus cavernosum urethrae. The anterior fibers contribute to penile erection by contracting to compress the deep dorsal vein of the penis.