corpus spongiosum(redirected from corpora spongiosa)
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Related to corpora spongiosa: bulb of corpus spongiosum
corpus spongiosumA cylindrical mass of spongy tissue that surrounds the male urethra and maintains it in an opened position, which allows the urethra to act as a conduit for semen during ejaculation.
Erectile tissue surrounding the male urethra inside the shaft of the penis.See: penis for illus
See also: corpus