The twin cylinders of spongy tissue in the penis that become engorged with blood which results in an erection. Also present in the clitoris, corpora spongiosa.
Spongy erectile tissues within the penis or clitoris that become engorged during sexual excitation; singular is corpora cavernosum.
The dual columns of erectile tissue located on either side of the penis, which, in conjunction with the corpus spongiosum, facilitate an erection when engorged with blood, are referred to as the corpora cavernosa.