Anatomy study note · Head and neck

Anterior cerebral artery

A terminal branch of the internal carotid artery that runs forward between the hemispheres and winds round the corpus callosum to supply the medial surface and a strip of the superolateral surface of the hemisphere.

Key points

• ICA terminal branch; joined to its partner by the anterior communicating artery.
• Winds round the corpus callosum.
• Medial surface + upper strip of the lateral surface (leg area).
• Vessels: mesodermal, from angioblastic tissue.
• Cerebral atherosclerosis → stroke.
• Artery: intima / media (smooth muscle) / adventitia.

The full note in the atlas also covers

Features · Histology · Development

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1562–1563, 1641–1642
• Inderbir Singh’s Human Embryology, ch. 15, PDF p. 236
• BRS Cell Biology & Histology, 7th ed., ch. 11, PDF pp. 197–199, 199

More from the head and neck

• Aqueous humour
• Arteries of the face
• Arytenoid cartilage
• Arytenoid muscles
• Cerebellum
• Cerebrum
• Cervical plexus
• Ciliary body
• Common carotid artery
• Common tendinous ring
• Cornea
• Corniculate and cuneiform cartilages

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