Definition

1. Noun:
   • A major artery of the abdominal aorta: The inferior mesenteric artery is a blood vessel that branches from the front of the abdominal aorta. It supplies oxygenated blood to parts of the large intestine, specifically the distal (left) half of the transverse colon, the descending colon, the sigmoid colon, and the rectum.

Usage Examples

• Noun:
  • Blockage of the inferior mesenteric artery can lead to ischemia in the colon.
  • During the surgery, the surgeon carefully ligated the inferior mesenteric artery.
  • The inferior mesenteric artery is the smallest of the three anterior branches of the abdominal aorta.

Advanced Usage

• Clinical and anatomical context: The term is primarily used in medical, anatomical, and surgical discussions.
  • The angiogram showed a clear stenosis at the origin of the inferior mesenteric artery.

Variants and Related Words

• IMA: A common acronym for "inferior mesenteric artery."
• Mesenteric arteries: A broader category including the superior mesenteric artery and the inferior mesenteric artery.
• Colic arteries: Specific branches of the inferior mesenteric artery, such as the left colic artery and sigmoid arteries.

Synonyms

• IMA (acronym)
• Arteria mesenterica inferior (Latin anatomical term)

Related Phrases

• Origin of the inferior mesenteric artery: Refers to the specific location on the aorta where this artery arises.
• Branches of the inferior mesenteric artery: Refers to its subdivisions, which include the left colic, sigmoid, and superior rectal arteries.
• Inferior mesenteric artery syndrome: A rare condition involving compression of the duodenum, though this typically involves the superior mesenteric artery, not the inferior.

Noun

1. arises near the lower end of the aorta and supplies the large intestine