Anatomy
Circle of Willis
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Circle of Willis
Anatomy
Background
Circle of Willis forms a collateral communication between the
Anterior Circulation
and the
Posterior Circulation
Anterior Communicating Artery
Connects anterior cerebral arteries together
Posterior communicating arteries (2)
Connects each internal carotid to
Basilar Artery
Anatomy
Goldberg's Circle of Willis Analogy to a Cartoon
Spider
Background
Stephen Goldberg , MD describes a brilliant memory aid for the Circle of Willis
Cartoon
Spider
(named Willis) represents the cerebral
Vascular Anatomy
Anatomy is as if viewed from below
Looking up at the inferior brain surface (
Brainstem
, pons and
Optic Chiasm
)
Top of Willis head
Anterior Cerebral Artery
Anterior Communicating Artery
Willis Face
Optic Chiasm
(eye brows)
Internal Carotid Artery
(eyes)
Middle Cerebral Artery
(?antenna)
Pituitary Gland
(nose)
Mammilary Body (mouth)
Posterior Communicating Artery
(jaw line)
Willis Arms
Posterior Cerebral Artery
Cranial Nerve 3
(axilla)
Superior Cerebellar Artery
Willis Body
Pons
(trunk)
Basilar Artery
(spine)
Willis Legs
Anterior Inferior Cerebellar Artery
Vertebral Artery
Posterior Inferior Cerebellar Artery
Willis Genitalia
Anterior Spinal Artery
(penis)
Images
http://lifeinthefastlane.com/a-spider-called-willis/
References
Goldberg (2014) Clinical
Neuroanatomy
, Medmaster, p. 6-15
Anatomy
Images Circle of Willis
Lewis (1918) Gray's Anatomy 20th ed
(in
public domain
at
Yahoo
or
BartleBy
)
Lewis (1918) Gray's Anatomy 20th ed
(in
public domain
at
Yahoo
or
BartleBy
)
References
Gilman (1989) Manter and Gatz Essentials of
Neuroanatomy
and Neurophysiology, Davis, p. 216-21
Goldberg (2014) Clinical
Neuroanatomy
, Medmaster, p. 6-15
Netter (1997) Atlas Human Anatomy, ICON Learning, p. 130-9
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