Dorsal artery of the penis
The Dorsal Artery of the Penis is a branch of the internal pudendal artery which ascends between the crus penis and the pubic symphysis, and, piercing the inferior fascia of the urogenital diaphragm, passes between the two layers of the suspensory ligament of the penis, and runs forward on the dorsum of the penis to the glans, where it divides into two branches, which supply the glans and prepuce. The dorsal arteries do give perforators to the corpora caversona, however their contribution to erectile function is inconsistent. Through retrograde flow they help supply the distal shaft skin. Additionally, they give branches to the circumflex arteries which supply the corpus spongiosum. The major clinical relavence is in the case of traumatic amputation of the penis, failure to perform re-anastomosis of the dorsal arteries leads to skin loss.
|Dorsal artery of the penis|
Transverse section of the penis. (Dorsal artery visible at top.)
The deeper branches of the internal pudendal artery. (Dorsal artery of penis labeled at upper right.)
|Source||internal pudendal artery|
|Vein||deep dorsal vein of the penis|
|Latin||arteria dorsalis penis|
- Anatomy figure: 42:01-01 at Human Anatomy Online, SUNY Downstate Medical Center - "Cross-section of the penis."
- Anatomy image:9477 at the SUNY Downstate Medical Center
- perineum at The Anatomy Lesson by Wesley Norman (Georgetown University) (maleugtriangle4)
- figures/chapter_32/32-2.HTM: Basic Human Anatomy at Dartmouth Medical School
- figures/chapter_32/32-3.HTM: Basic Human Anatomy at Dartmouth Medical School