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Internal pudendal artery



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

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.

Contents

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.[2]

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

Additional images

 

See also

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

References

  1. ^ a_61/12156483 at Dorland's Medical Dictionary
  2. ^ Urethral+artery at eMedicine Dictionary
v • d • e
List of arteries of torso - abdomen
AA:
Anterior
celiac

left gastric: esophageal branches

splenic: pancreatic branches (greater, dorsal) – short gastric – left gastro-omental

common hepatic: proper hepatic (cystic), right gastric, gastroduodenal (right gastro-omental, superior pancreaticoduodenal, supraduodenal)

SMA

inferior pancreaticoduodenal – intestinal (jejunal, ileal, arcades, vasa recta)  – ileocolic (colic, anterior cecal, posterior cecal, ileal branch, appendicular)  – right colic – middle colic

IMA

left colic – sigmoid – superior rectal – marginal

AA:
Posterior

visceral: middle suprarenal – renal (inferior suprarenal, ureteral) – gonadal (testicular ♂/ovarian ♀)
parietal: inferior phrenic (superior suprarenal) – lumbar – median sacral
terminal: common iliac (IIA, EIA)

IIA:
Anterior

umbilical (superior vesical, to ductus deferens) – middle rectal – obturator (anterior branch, posterior branch) - inferior gluteal (accompanying of ischiadic nerve, crucial anastomosis)

uterine ♀ (helicine, vaginal of uterine, ovarian of uterine, tubal of uterine) - vaginal ♀/inferior vesical ♂

internal pudendal: inferior rectal - perineal (urethral) - posterior scrotal ♂/labial ♀ - bulb of penis ♂/vestibule ♀ - deep artery of the penis ♂ (helicine)/clitoris ♀ - dorsal of the penis ♂/clitoris ♀

IIA:
Posterior

iliolumbar (lumbar, iliac)  – lateral sacral – superior gluteal

EIA

inferior epigastric (cremasteric, round ligament) – deep circumflex iliac – femoral

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Internal_pudendal_artery". A list of authors is available in Wikipedia.
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