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Descriptor English: Circle of Willis
Descriptor Spanish: Círculo Arterial Cerebral
Descriptor círculo arterial cerebral
Entry term(s) circulus arteriosus cerebri
círculo arterial del cerebro
círculo de Willis
polígono de Willis
Scope note: Anastomosis poligonal en la base del cerebro formada por la carótida interna (ARTERIA CARÓTIDA INTERNA), las partes proximales de las arterias cerebrales anterior, media y posterior (ARTERIA CEREBRAL ANTERIOR, ARTERIA CEREBRAL MEDIA, ARTERIA CEREBRAL POSTERIOR), y las arterias comunicantes anterior y posterior.
Descriptor Portuguese: Círculo Arterial do Cérebro
Descriptor French: Cercle artériel du cerveau
Entry term(s): Arterial Circle, Cerebral
Cerebral Arterial Circle
Circle, Willis'
Willis Circle
Willis' Circle
Tree number(s): A07.015.114.228.351
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D002941
Scope note: A polygonal anastomosis at the base of the brain formed by the internal carotid (CAROTID ARTERY, INTERNAL), proximal parts of the anterior, middle, and posterior cerebral arteries (ANTERIOR CEREBRAL ARTERY; MIDDLE CEREBRAL ARTERY; POSTERIOR CEREBRAL ARTERY), the anterior communicating artery and the posterior communicating arteries.
Allowable Qualifiers: AB abnormalities
AH anatomy & histology
CH chemistry
CY cytology
DE drug effects
DG diagnostic imaging
EM embryology
EN enzymology
GD growth & development
IM immunology
IN injuries
IR innervation
ME metabolism
MI microbiology
PA pathology
PH physiology
PP physiopathology
PS parasitology
RE radiation effects
SU surgery
TR transplantation
UL ultrastructure
VI virology
Public MeSH Note: 65
History Note: 65
DeCS ID: 2967
Unique ID: D002941
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1965/01/01
Date of Entry: 1999/01/01
Revision Date: 2018/06/30
Circle of Willis - Preferred
Concept UI M0004501
Scope note A polygonal anastomosis at the base of the brain formed by the internal carotid (CAROTID ARTERY, INTERNAL), proximal parts of the anterior, middle, and posterior cerebral arteries (ANTERIOR CEREBRAL ARTERY; MIDDLE CEREBRAL ARTERY; POSTERIOR CEREBRAL ARTERY), the anterior communicating artery and the posterior communicating arteries.
Preferred term Circle of Willis
Entry term(s) Arterial Circle, Cerebral
Cerebral Arterial Circle
Circle, Willis'
Willis Circle
Willis' Circle



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