circle of Willis

The term circle of Willis refers to an anastomosing system of arteries that join to form a circle surrounding the hypophysis and optic chiasm at the base of the brain. It consists of the internal carotid arteries, the anterior communicating arteries, the posterior communicating arteries and the posterior cerebral arteries. It is not part of the brain ( Crosby-1962 ).

Also known as: circle of Willis

NeuroNames ID: 1468

All Names & Sources

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Name:

circle of Willis

Language:

English

Organism:

human

Source:

Crosby-1962

Citation:

New York: MacMillan, 1962

Source Title:

Correlative Anatomy of the Nervous System

Name:

circulo arterial cerebral (Willis)

Language:

Spanish

Organism:

human

Source:

Carpenter-1994

Citation:

edicion 4, Williams & Wilkins, Baltimore; traducción de Editorial Medica Panamericana, Buenos Aires, efectuada por el Dr. Alejandro Kaufman

Source Title:

Neuroanatomía Fundamentos

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Species With The Structure

Equivalent By	Human	Macaque	Rat	Mouse
Internal Structure	Has The Structure	Relevant Data Not Located	Relevant Data Not Located	Relevant Data Not Located

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Basis:

Internal Structure

Has Equivalent:

Yes

Organism:

Homo sapiens (human)

Their Name:

circle of Willis

Source:

Crosby-1962

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