The artery of bulb of penis (artery of the urethral bulb or bulbourethral artery) is a short
artery
An artery (plural arteries) () is a blood vessel in humans and most animals that takes blood away from the heart to one or more parts of the body (tissues, lungs, brain etc.). Most arteries carry oxygenated blood; the two exceptions are the pul ...
of large caliber which arises from the
internal pudendal artery
The internal pudendal artery is one of the three pudendal arteries. It branches off the internal iliac artery, and provides blood to the external genitalia.
Structure
The internal pudendal artery is the terminal branch of the anterior trunk of t ...
between the two layers of fascia (the
superior
Superior may refer to:
*Superior (hierarchy), something which is higher in a hierarchical structure of any kind
Places
*Superior (proposed U.S. state), an unsuccessful proposal for the Upper Peninsula of Michigan to form a separate state
*Lake ...
and
inferior) of the
urogenital diaphragm
Older texts have asserted the existence of a urogenital diaphragm, also called the triangular ligament, which was described as a layer of the pelvis that separates the deep perineal sac from the upper pelvis, lying between the inferior fascia of t ...
. It passes medialward, pierces the
inferior fascia of the urogenital diaphragm
The perineal membrane is an anatomical term for a fibrous membrane in the perineum. The term "inferior fascia of urogenital diaphragm", used in older texts, is considered equivalent to the perineal membrane.
It is the superior border of the su ...
and gives off branches which ramify in the
bulb of the urethra
Just before each crus of the penis meets its fellow, it presents a slight enlargement, which Georg Ludwig Kobelt named the bulb of the corpus cavernosum penis. The bulb of penis is also known as the urethral bulb.
The bulb is homologous to the v ...
and in the posterior part of the
corpus spongiosum
The corpus spongiosum is the mass of spongy tissue surrounding the male urethra within the penis. It is also called the corpus cavernosum urethrae in older texts.
Anatomy
The proximal part of the corpus spongiosum is expanded to form the uret ...
.
Additional images
Image:Penvein.png, Arteries and veins of the penis (Spanish)
Image:Gray588.png, The penis in transverse section, showing the bloodvessels.
References
External links
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*
Arteries of the abdomen
Human penis anatomy
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