Internal pudendal artery

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Artery: Internal pudendal artery
Left gluteal region, showing surface markings for arteries and sciatic nerve.
The superficial branches of the internal pudendal artery.
Latin	arteria pudenda interna
Gray's	subject #155 617
Supplies	external genitalia, perineum
Source	internal iliac artery
Vein	Internal pudendal veins
Dorlands / Elsevier	a_61/12155618

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The internal pudendal artery is an artery that branches off the internal iliac artery, providing blood to the external genitalia.

The internal pudendal artery is the terminal branch of the anterior trunk of the internal iliac artery. It is smaller in the female than in the male.

Path

It exits the pelvic cavity through the greater sciatic foramen to enter the gluteal region.

It then curves around the sacrospinous ligament to enter the perineum through the lesser sciatic foramen.

It travels through the pudendal canal with the internal pudendal veins and the pudendal nerve.

Branches

The internal pudendal artery gives off the following branches:

In females	In males	Description
Inferior rectal artery	Inferior rectal artery	to anal canal
Perineal artery	Perineal artery	supplies transversus perinei superficialis muscle
Posterior labial branches	Posterior scrotal branches	-
Artery of bulb of vestibule	Artery of bulb of penis	supplies bulbourethral gland
Dorsal artery of clitoris	Dorsal artery of penis	-
Deep artery of clitoris	Deep artery of penis	to corpus cavernosum penis

Some sources consider the urethral artery a direct branch of the internal pudendal artery^[1], while others consider it a branch of the perineal artery.^[1]

In males, the internal pudendal artery also gives rise to the perforating arteries of the penis.

Additional images

Right hip bone. Internal surface.	The arteries of the pelvis.	Dissection of side wall of pelvis showing sacral and pudendal plexuses.	The deeper branches of the internal pudendal artery.
Diagram of the arteries of the penis.	The penis in transverse section, showing the bloodvessels.

See also

• Pudendal nerve
• Superficial external pudendal artery
• Deep external pudendal artery

References

External links

• SUNY Figs 41:04-06 - "Inferior view of female perineum, branches of the internal pudendal artery."
• SUNY Figs 42:03-01 - "Branches of internal pudendal artery in the male perineum."
• SUNY Figs 43:07-14 - "Sagittal view of the internal iliac artery and its branches in the female pelvis. "
• SUNY Figs 44:06-00 - "Sagittal view of the internal iliac artery and its branches in the male pelvis. "
• SUNY Anatomy Image 9086
• Mnemonic at medicalmnemonics.com 2503
• Norman/Georgetown pelvis (pelvicarteries)
• Human anatomy at Dartmouth figures/chapter_32/32-2.HTM
• Human anatomy at Dartmouth figures/chapter_32/32-3.HTM
• Diagram at MSU

v • d • e Arteries of torso - abdomen
AA: Anterior	celiac left gastric splenic: pancreatic branches (arteria pancreatica magna) – short gastric – left gastro-omental common hepatic: proper hepatic (cystic), right gastric, gastroduodenal (right gastro-omental, superior pancreaticoduodenal) SMA inferior pancreaticoduodenal – intestinal – ileocolic (appendicular) – right colic – middle colic IMA left colic – sigmoid – superior rectal – marginal
AA: Posterior	visceral: middle suprarenal – renal (inferior suprarenal) – testicular/ovarian parietal: inferior phrenic (superior suprarenal) – lumbar – median sacral terminal: common iliac (IIA, EIA)
IIA: Anterior	umbilical (superior vesical, to ductus deferens) – inferior vesical – middle rectal – uterine (azygos of the vagina) – vaginal – obturator (anterior branch, posterior branch) – internal pudendal (inferior rectal, perineal, artery of the urethral bulb, urethral, deep artery of the penis, dorsal artery of the penis) – inferior gluteal (accompanying of ischiadic nerve, crucial anastomosis)
IIA: Posterior	iliolumbar – lateral sacral – superior gluteal
EIA	inferior epigastric (cremasteric) – deep circumflex iliac

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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .