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work as an intern; "The young doctor is interning at the Medical Center this year"
an advanced student or graduate in medicine gaining supervised practical experience (`houseman is a British term) (同)interne, houseman, medical intern
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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/12/13 14:44:09」(JST)

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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[edit]

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[edit]

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 bulb of vestibule/bulb of penis
Dorsal artery of clitoris	Dorsal artery of the penis	-
Deep artery of clitoris	Deep artery of the 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[edit]

Internal iliac artery with branches, including internal pudendal artery.

Right hip bone. Internal surface.
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.

References[edit]

^ "Internal pudendal artery" at Dorland's Medical Dictionary
^ Urethral+artery at eMedicine Dictionary

External links[edit]

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
pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (pelvicarteries)
Human anatomy at Dartmouth figures/chapter_32/32-2.HTM
Human anatomy at Dartmouth figures/chapter_32/32-3.HTM
Diagram at MSU

UpToDate Contents

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English Journal

[Substantiation of perineal access to internal pudendal artery].

Polinkevich BS, Selivanov AV.AbstractPerineal access to a. pudenda interna (API) was elaborated. Variants of the a. iliaca interna and her branches localization and topographic-anatomic peculiarities of perineal portion of API were studied. The proposed perineal (extraperitoneal) access to API is most expedient in the perineal region bleeding stopping. Morphometrical parameters of perineal portion of API permit to apply her for formation of vascular anastomosis in the procedure of revascularization of the descended colon while the intestinal continuity restoration.
Klinichna khirurhiia / Ministerstvo okhorony zdorov'ia Ukraïny, Naukove tovarystvo khirurhiv Ukraïny.Klin Khir.2007 Aug;(8):28-31.
Perineal access to a. pudenda interna (API) was elaborated. Variants of the a. iliaca interna and her branches localization and topographic-anatomic peculiarities of perineal portion of API were studied. The proposed perineal (extraperitoneal) access to API is most expedient in the perineal region b
PMID 18318067

[Correlation between the prostatic vessels and vertebral venous system of the dog].

Suzuki T, Kurokawa K, Okabe K, Ito K, Hatori T, Imai K, Yamanaka H.SourceDepartment of Urology, Gunma University, School of Medicine.
Nihon Hinyōkika Gakkai zasshi. The japanese journal of urology.Nihon Hinyokika Gakkai Zasshi.1991 Nov;82(11):1742-7.
We examined the correlation between the intrapelvic vessels, especially prostatic vessels, and the vertebral venous system in the male dog by radiography. Aorta abdominalis branches the right and left external iliac arteries at the 6th lumbar vertebra, and is divided into the right and left internal
PMID 1762263

The mechanism of the ejection of a frothy fluid from the cloaca in the male turkey.

Fujihara N, Nishiyama H, Koga O.AbstractThe mechanism of the ejection of a frothy fluid from the "tissue at the vicinity of the papilla" (TVP) of the ductus deferens and triangular fold (TF) of the cloaca of the male turkey during natural copulation was investigated. Injection of Evans blue (T-1824) solution into the wing vein of the intact male led to the ejection, immediately after injection, of frothy fluid colored blue. Ligation of the A. pudenda interna decreased the volume of fluid to a negligible amount, and removal of the paracloacal vascular body (Corpus vasculare paracloacale) completely suppressed the tumescence of the copulatory organ and the flow of the fluid (lymph-like fluid). Evans blue solution, introduced into the A. pudenda interna of dissected cloacal specimens, exuded out from the TVP but not from the lymphatic folds (plicae lymphaticae). Injection of dye solution into the paracloacal vascular body elicited only the erection of the phallus, and none flowed out from the surface of the lymphatic folds. Also, no ejection of the injected dye solution into the A. pudenda interna was found in the dorsal wall of the cloaca, particularly from the TF. The results suggest that lymph generated in the paracloacal vascular body caused only the tumescence of the copulatory organ and a lymph generated in the TVP exuded through the surface epithelium. In addition, a foam (froth) is produced in the TF of the middorsal proctodeum during mounting behavior which appears to be added to the aforementioned lymph from the TVP at copulation.
Poultry science.Poult Sci.1985 Jul;64(7):1377-81.
The mechanism of the ejection of a frothy fluid from the "tissue at the vicinity of the papilla" (TVP) of the ductus deferens and triangular fold (TF) of the cloaca of the male turkey during natural copulation was investigated. Injection of Evans blue (T-1824) solution into the wing vein of the inta
PMID 4022908

Japanese Journal

イヌ前立腺血管と椎骨静脈系との関係について

鈴木孝憲,黒川公平,岡部和彦,伊藤一人,羽鳥基明,今井強一,山中英寿
日本泌尿器科學會雜誌 82(11), 1742-1747, 1991-11-20
雄雑種犬の骨盤内血管,特に前立腺血管と椎骨静脈系との関係を,レントゲン撮影にて観察した。腹大動脈は第6腰椎の高さで外腸骨動脈を左右に分岐し,第7腰椎の高さで内腸骨動脈を左右に,また正中の位置で正中仙骨動脈を分岐していた。仙腸関節の中央部で内腸骨動脈より分岐した尿生殖動脈は,頭側に後膀胱動脈を,尾側に前立腺動脈を分岐していた。前立腺動脈は前立腺被膜部で分岐し,尿道の中心部に向かうように実質内に入り, …
NAID 110003093366

「内陰部動脈」

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	Internal pudendal artery