Definition

Noun: - A branch of the superior mesenteric artery: The jejunal artery is a specific blood vessel that originates from the superior mesenteric artery. Its primary function is to supply oxygenated blood to a specific part of the small intestine. - Supplies the jejunum: This artery's anatomical role is to deliver blood to the jejunum, which is the middle section of the small intestine, located between the duodenum and the ileum.

Usage Examples

• Noun:
  • During the abdominal surgery, the surgeon carefully identified and preserved the jejunal artery.
  • A blockage in the jejunal artery can lead to ischemia of the jejunum.
  • The vascular network includes several jejunal arteries branching from the main superior mesenteric trunk.

Advanced Usage

• Clinical Context: In medical diagnostics and surgery, the term is used precisely to describe vascular anatomy, pathology, or surgical landmarks.
  • The angiogram revealed an aneurysm in a proximal jejunal artery.

Variants and Related Words

• Jejunal arteries (plural): There are typically multiple jejunal arteries forming arcades to supply the jejunum.
• Superior Mesenteric Artery (SMA): The major artery from which the jejunal arteries branch.
• Jejunum: The anatomical structure supplied by these arteries.

Synonyms

• Arteria jejunalis: The formal Latin anatomical term.

Related Phrases / Terms

• Intestinal artery: A more general term that can refer to arteries supplying any part of the intestines, including but not specific to the jejunal arteries.
• Mesenteric circulation: The broader system of blood vessels, including the jejunal arteries, that supplies the intestines.

Noun

1. an artery that is a branch of the superior mesenteric artery that supplies the jejunum