Ileal branch of ileocolic artery
Anatomical structure in the human body
Ileal branch of ileocolic artery[edit | edit source]
The ileal branch of the ileocolic artery is a significant blood vessel in the human body, playing a crucial role in supplying blood to the ileum, which is the final section of the small intestine. This artery is a branch of the ileocolic artery, itself a branch of the superior mesenteric artery.
Anatomy[edit | edit source]
The ileal branch of the ileocolic artery arises from the ileocolic artery, which is one of the branches of the superior mesenteric artery. The superior mesenteric artery is a major artery that supplies blood to a large portion of the gastrointestinal tract.
Origin[edit | edit source]
The ileocolic artery originates from the right side of the superior mesenteric artery. It travels downward and to the right, towards the ileocecal junction, where the ileum meets the cecum of the large intestine.
Course[edit | edit source]
The ileal branch specifically extends from the ileocolic artery to supply the terminal part of the ileum. It runs in the mesentery, which is the fold of tissue that attaches the intestines to the posterior abdominal wall, providing a pathway for blood vessels, nerves, and lymphatics.
Distribution[edit | edit source]
The ileal branch provides arterial blood to the distal ileum, ensuring that this segment of the small intestine receives adequate oxygen and nutrients. This is essential for the absorption of nutrients and the overall function of the digestive system.
Function[edit | edit source]
The primary function of the ileal branch of the ileocolic artery is to supply oxygenated blood to the ileum. The ileum is responsible for the absorption of vitamin B12, bile salts, and any remaining nutrients that were not absorbed by the jejunum.
Clinical significance[edit | edit source]
The ileal branch of the ileocolic artery is of clinical importance in surgeries involving the ileum or the ileocecal region. Surgeons must be aware of its location and course to prevent inadvertent damage during procedures such as appendectomy or resection of the ileum.
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