communicating artery

Thân thiện

A doctor points to the communicating artery on a medical diagram.

Definition

1. Noun:
   • An artery in the brain that forms part of the Circle of Willis: A "communicating artery" is any of the small arteries that connect the larger arteries at the base of the brain, forming a critical circulatory structure known as the Circle of Willis.

Usage

• The term is used in medical and anatomical contexts to describe specific blood vessels in the cerebral circulation.
• It is typically preceded by "anterior" or "posterior" to specify which of the communicating arteries is being discussed.

Examples

• Noun:
  • The anterior communicating artery connects the two anterior cerebral arteries.
  • A blockage in a communicating artery can affect blood flow in the Circle of Willis.

Advanced Usage

• "Anterior communicating artery (ACoA)": The artery that connects the left and right anterior cerebral arteries.

  • An aneurysm of the anterior communicating artery is a serious medical condition.

• "Posterior communicating artery (PCoA)": Either of the two arteries that connect the posterior cerebral artery to the internal carotid artery on each side.

  • The posterior communicating artery is a common site for cerebral aneurysms.

Variants and Related Words

• Circle of Willis (n): The complete ring of arteries at the base of the brain, formed in part by the communicating arteries.

  • The Circle of Willis provides collateral blood flow to the brain.

• Cerebral artery (n): Any of the arteries supplying blood to the cerebrum of the brain.

  • The middle cerebral artery is a major branch.

Synonyms

• Connecting artery: A descriptive synonym emphasizing its function of linking other vessels. (Used in anatomical description)
• Anastomotic artery: A technical term for an artery that forms a connection between two other vessels.

Related Phrases

• Communicating artery aneurysm: A pathological bulging or ballooning of a communicating artery wall.

  • Surgery is often required for a communicating artery aneurysm.

• Communicating artery segment: A specific anatomical portion of the artery.

  • The surgeon carefully clipped the aneurysm at the communicating artery segment.

Học thuật

Noun

1. any of three arteries in the brain that make up the circle of Willis

Từ đồng nghĩa

• arteria communicans