Corpora cavernosa

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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.