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).
The origin of the corpus spongiosum lies at the base of the penis and is characterized by a bi-lobed enlargement called the bulb of the penis.
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.