The corpora cavernosa are two spongy and stretchy tissues in the penis
that fill with blood
during sexual arousal in men. They are therefore behind the phenomenon of erection
, collecting 90% of the necessary blood
. More rarely, the corpora cavernosa may also designate the erectile tissue of the clitoris
in women, which, in the same manner as the penis
, becomes engorged with blood during sexual arousal.
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