circle of willis

Thân thiện

A diagram shows the circle of Willis at the base of the brain.

Definition

1. Noun:
   • A ring of arteries at the base of the brain: The "circle of Willis" is a circulatory anastomosis, a ring-like structure of arteries located at the base of the brain. It connects the major arteries supplying blood to the brain, providing redundancy and collateral blood flow.

Examples of Usage

• Noun:
  • The circle of Willis is a critical structure for cerebral circulation.
  • An aneurysm was detected in the patient's circle of Willis.
  • The anatomy textbook includes a detailed diagram of the circle of Willis.

Advanced Usage

• "Integrity of the circle of Willis": Refers to the completeness and proper function of this arterial circle, which is important for maintaining adequate blood flow to all brain regions.
  • The patient's stroke was less severe due to the integrity of their circle of Willis.

Variants and Related Words

• Cerebral arterial circle: A formal synonym for the circle of Willis.
• Willis' circle: An alternative naming, using the possessive form.
• Anterior communicating artery, Posterior communicating artery: These are specific, named vessels that are components of the circle of Willis.

Synonyms

• Cerebral arterial circle
• Circulus arteriosus cerebri (Latin anatomical term)

Related Phrases

• Collateral circulation via the circle of Willis: Describes the alternate blood flow pathways this structure provides.
  • Collateral circulation via the circle of Willis helped compensate for the blocked artery.

Related Idioms

(This is a specific anatomical term; common idioms are not typically associated with it.)

Học thuật

Noun

1. a ring of arteries at the base of the brain

Từ đồng nghĩa

• circle of willis