The Colon - Ascending - Transverse - Sigmoid - TeachMeAnatomy
2024年4月21日 · Anatomically, the colon can be divided into four parts – ascending, transverse, descending and sigmoid. These sections form an arch, which encircles the small intestine. In this article, we shall look at the anatomy of the colon – its anatomical structure and relations, neurovascular supply, and clinical correlations.
Large intestine: Blood supply and innervation | Kenhub
2023年10月30日 · Each branch of the ileal branch of the ileocolic artery supplies the anatomical section from which it is named. The remainder of the colon – from the distal transverse colon to the rectosigmoid junction – receive arterial supply from the inferior mesenteric artery.
Colon: Anatomy, histology, composition, function | Kenhub
2023年10月30日 · The colon forms part of the large intestine and extends between the caecum and the rectum. It is about 1.5 meters in length and consists of four parts: ascending; transverse; descending; sigmoid colon; You can recognize it easily through several distinct morphological features like semilunar folds and pouches called haustra.
Anatomy, Abdomen and Pelvis: Large Intestine
2023年8月7日 · Blood Supply and Lymphatics. The superior mesenteric artery (SMA) and the inferior mesenteric artery (IMA) provide blood supply to the colon. Communication between these two vessels happens via the marginal artery, which runs parallel to the length of the entire colon. The branches supplying specific portions of the bowel are as follows:
The Intestinal Blood Supply: 3D Anatomy Model - Innerbody
2024年11月8日 · The left colic artery provides blood to the tissues of the descending colon, while the sigmoid artery provides blood to the sigmoid colon. Blood flowing to the superior regions of the rectum is provided by the superior rectal artery, which supplies the rectum to the level of the internal anal sphincter.
Anatomy, Abdomen and Pelvis, Sigmoid Colon - StatPearls - NCBI Bookshelf
2023年7月24日 · The sigmoid colon is a hindgut structure and receives its blood supply, innervation, as well as its lymphatic drainage, similar to other hindgut structures. Various common and uncommon diseases can affect the sigmoid colon, many of which could require surgical correction if medical management fails. [1] [2] [3] Structure:
Sigmoid colon - Definition, Anatomy and Function - Kenhub
2023年8月27日 · The sigmoid colon usually lies within the pelvis, but can be displaced into the abdomen due to its relatively mobile nature. The sigmoid colon receives its blood supply from the two to five sigmoidal branches of the inferior mesenteric artery, which is a branch of the abdominal aorta at L3.
The Inferior Mesenteric Artery - Position - TeachMeAnatomy
2024年4月20日 · The inferior mesenteric artery (IMA) is the third major branch from the abdominal aorta. It supplies arterial blood to the organs of the hindgut - the distal 1/3 of the transverse colon, splenic flexure, descending colon, sigmoid colon and rectum.
A variant source of arterial supply to the ascending, transverse …
2019年4月29日 · The colon, the part of the large intestine, usually receives its arterial blood supply from branches of the superior and inferior mesenteric arteries. However, anatomic variation in this vascular arrangement has been reported, with vascular anatomy of the right colon being described as complex and more variable compared with the left colon.
Blood Supply | Colon - The Common Vein
The superior mesenteric artery (SMA), inferior mesenteric artery (IMA), and internal iliac arteries are the vessels that supply the colon. The SMA is the artery of the midgut while the IMA is the artery of the hindgut. The distal and terminal portion of the hindgut is supplied by the rectal branches of the internal iliac arteries.