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The ileocolic artery is the lowest branch arising from the concavity of the superior mesenteric artery.

It passes downward and to the right behind the peritoneum toward the right iliac fossa, where it divides into a superior and an inferior branch; the inferior gives rise to the appendicular artery and anastomoses with the end of the superior mesenteric artery, the superior with the right colic artery. Supplies the cecum, ileum, and appendix.

Branches

The inferior branch of the ileocolic runs toward the upper border of the ileocolic junction and supplies the following branches:

colic branch of ileocolic artery, which passes upward on the ascending colon - from the posterior branch of the inferior branch of the ileocolic artery
ileocecal (some sources acknowledge this division^[1] while others do not)
- anterior cecal artery and posterior cecal artery, which are distributed to the front and back of the cecum
- ileal branch of ileocolic artery, which runs upward and to the left on the lower part of the ileum and anastomoses with the termination of the superior mesenteric artery
- an appendicular artery

Additional images

Superior ileocecal fossa.
Colonic blood supply

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

^ sup&infmesentericart at The Anatomy Lesson by Wesley Norman (Georgetown University)

External links

Anatomy photo:39:03-0109 at the SUNY Downstate Medical Center - "Intestines and Pancreas: Branches of Superior Mesenteric Artery"
Anatomy image:8581 at the SUNY Downstate Medical Center
Anatomy image:8629 at the SUNY Downstate Medical Center

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UpToDate Contents

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English Journal

Immunohistochemical Characterization of Large Intestinal Adenocarcinoma in the Rhesus Macaque (Macaca mulatta).

Harbison CE1, Taheri F1, Knight H2, Miller AD3.
Veterinary pathology.Vet Pathol.2014 Nov 3. pii: 0300985814556188. [Epub ahead of print]
In rhesus macaques, adenocarcinomas of either the ileocecal junction or colon are common spontaneous tumors in aging populations. The macaque tumors have similar gross and histologic characteristics compared with their human counterpart, but little is known regarding the immunohistochemical expressi
PMID 25367367

Colesevelam and colestipol: novel medication resins in the gastrointestinal tract.

Arnold MA1, Swanson BJ, Crowder CD, Frankel WL, Lam-Himlin D, Singhi AD, Stanich PP, Arnold CA.
The American journal of surgical pathology.Am J Surg Pathol.2014 Nov;38(11):1530-7. doi: 10.1097/PAS.0000000000000260.
We report the morphologic description of the bile acid sequestrants (BAS) colesevelam and colestipol, as well as the largest series of cholestyramine. Histologically similar medication resins from 4 institutions were prospectively collected over 1 year (26 specimens, 15 patients). Comorbidities incl
PMID 24921636

Intestinal microbial variation may predict early acute rejection after liver transplantation in rats.

Ren Z1, Jiang J, Lu H, Chen X, He Y, Zhang H, Xie H, Wang W, Zheng S, Zhou L.
Transplantation.Transplantation.2014 Oct 27;98(8):844-52. doi: 10.1097/TP.0000000000000334.
BACKGROUND: Acute rejection (AR) remains a life-threatening complication after orthotopic liver transplantation (OLT) and there are few available diagnostic biomarkers clinically for AR. This study aims to identify intestinal microbial profile and explore potential application of microbial profile a
PMID 25321166

Japanese Journal

臨床報告強皮症に合併した盲腸癌に対して腹腔鏡下回盲部切除術を施行した1例

代市拓也,川本潤,石神恵美 [他]
臨床外科 = Journal of clinical surgery 70(8), 1021-1025, 2015-08
NAID 40020541860

Early stage signet ring cell carcinoma of the colon examined by magnifying endoscopy with narrow-band imaging: a case report

Ohnita Ken,Isomoto Hajime,Akashi Taro,Hashiguchi Keiichi,Matsushima Kayoko,Minami Hitomi,Akazawa Yuko,Yamaguchi Naoyuki,Takeshima Fuminao,To Kazuo,Takeshita Hiroaki,Yasui Haruna,Abe Kuniko,Nakao Kazuhiko
BMC Gastroenterology 15, 86, 2015-07-24
… Therefore, the patient underwent an additional laparoscopic ileocecal resection, and the resected specimen revealed no residual carcinoma or lymph node metastasis. …
NAID 120005627353

回腸異所性胃粘膜により繰り返し腸重積症をきたした1乳児例

土屋晶義,世川修,川島章子 [他],安田祐希,杉原茂孝,山本智子,成高義彦,亀岡信悟
東京女子医科大学雑誌 85(E1), E49-E53, 2015-03-31
症例は9ヵ月男児。生後5ヵ月、7ヵ月時に腸重積症を発症し、高圧注腸にて整復した。器質的病変を疑い小腸造影を施行し、右下腹部遠位回腸に隆起性病変を示唆する透亮像を認め、腹腔鏡手術を予定した。手術待機中に3回目の腸重積症を発症し、非観血的整復後、2時間で再度腸重積症を認め、緊急手術を施行した。先進部がS状結腸まで達する回腸-回腸-結腸重積であり、Hutchinson手技で整復した。回盲弁から25cm口 …
NAID 110009888981

Related Pictures

★リンクテーブル★

リンク元	「回盲」「ileocecum」
拡張検索	「ileocecal syndrome」

「回盲」

Ileocolic artery
	Arteries of cecum and vermiform process. (Terminal part of Ileocolic labeled at upper right.)
	The superior mesenteric artery and its branches. (Ileocolic artery not labeled, but visible at bottom left.)
Details
Latin	arteria ileocolica
Source	superior mesenteric artery
Branches	appendicular artery; anterior cecal artery; posterior cecal artery
Vein	ileocolic vein
Identifiers
Gray's	p.607
Dorlands; /Elsevier	a_61/12154536
TA	A12.2.12.059
FMA	14815
	Anatomical terminology