Erectile tissue
From The Art and Popular Culture Encyclopedia
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Erectile tissue is tissue in the body that can become erect, usually by becoming engorged with blood.
Erectile tissue in the clitoris and penis
Erectile tissue exists in places such as the corpora cavernosa of the penis, and in the clitoris or in the bulbs of vestibule. During erection, the corpora cavernosa will become engorged with venous blood, a process called tumescence. This may result from any of various physiological stimuli, also known as sexual arousal. The corpus spongiosum is a single tubular structure located just below the corpora cavernosa. This may also become slightly engorged with blood, but less so than the corpora cavernosa.
Other erectile tissue
Erectile tissue is also found in the nose, ear, urethral sponge, perineal sponge, and vestibular bulbs. The erection of nipples is not due to erectile tissue, but rather due to the contraction of smooth muscle under the control of the autonomic nervous system.
