bulb of the penis

bulb of the penis

[¦bəlb əvthə ′pē·nəs]
(anatomy)
The expanded proximal portion of the corpus spongiosum of the penis.
References in periodicals archive ?
In particular, a lateral vestibular bulb, consisting of a network of veins, forms a patch of erectile tissue that is homologous to the bulb of the penis (see subsequent discussion).
Before entering the penis, the artery splits into three branches: one enters the bulb of the penis to supply the sinusoids of the corpus spongiosum; another other passes through the tunica albuginea to supply the corpus cavernosum; a third runs dorsally along the shaft to supply the apex of the penis.