corpus cavernosum

(redirected from Corpora cavernosa)
Also found in: Dictionary, Medical.

corpus cavernosum

[′kȯr·pəs ‚ka·vər′nō·səm]
(anatomy)
The cylinder of erectile tissue forming the clitoris in the female and the penis in the male.
References in periodicals archive ?
In general, the aim of priapism treatment is to return the penis to a flaccid and non-painful state, and therefore to avoid permanent damage to the corpora cavernosa (corporal fibrosis) and/or erectile dysfunction.
The precise mechanism of priapism in patients with SCD remains unclear, it is assumed that a normal erection decreases oxygen tension in the corpora cavernosa, predisposing to erythrocyte sickling (17).
Increasing the blood flow to the two corpora cavernosa causes the erection to become more rigid.
The thick membrane surrounding the corpora cavernosa can then tear, causing an audible "cracking" sound, abrupt loss of erection, severe pain, bruising and a bent penis.
At the base of the penis are two dark-colored bulbous structures, known as the bulbs of the corpora cavernosa, one on each side, and also involved in the eversion and retraction processes of the penis (Figure 1A and C).
10,12,28) Important margins to be examined in partial penectomy specimens include (1) proximal urethra and surrounding periurethral cylinder consisting of epithelium, lamina propria, corpus spongiosum, and penile fascia; (2) proximal shaft with corresponding corpora cavernosa separated and surrounded by the tunica albuginea and Buck fascia; and (3) skin of shaft with underlying corporal dartos (28) (Figure 1).
The cGMP enzyme normally is released during sexual arousal, relaxing the smooth muscle in the blood vessels and causing dilation of the arterioles in the corpora cavernosa of the penis, which leads to erection of the penis (Turkoski, 2008).
The subpubic space when viewed in the mid-line sagittal plane is a triangle defined inferiorly by deep penile fascia (Buck's) encasing the penile neurovascular bundle and the corpora cavernosa, superiorly by the pubic symphysis and anteriorly by the membranous layer of the superficial fascia (Scarpa's).
When the standard therapy of intracavernosal adrenergic agents with/without intracavernosal aspiration irrigation does not result in detumescence, a variety of surgical shunting procedures (proximal and distal approaches) have been used to direct blood from the corpora cavernosa into the low-pressure spongiosal system.
The corpora cavernosa are surrounded by a membrane, called the tunica albuginea.
There are, however, three inflatable cylinders of erectile tissue, two corpora cavernosa on the upper surface and the corpus spongiosum running centrally up the underside.