AnatomyHead and neckOverview

Main arteries of the head and neck: want to learn more about it?

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Main arteries of the head and neck

Learning objectives:

After going through this study unit, you will be able to:

1. Identify the main arterial sources for the head and neck
2. Learn the main branches of those arteries and which areas they supply.

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Head and neck derive their blood supply from two paired arteries and their branches: the common carotid artery and the subclavian artery. The common carotid arteries bifurcate into two important vessels:

External carotid artery, that gives off branches to supply the external structures of the head and face (viscerocranium).
Internal carotid artery, that enters the neurocranium and is one of the two main vessels that supply the brain.

The neck is mainly supplied by the branches of the subclavian artery. Moreover, the subclavian artery gives rise to the paired vertebral arteries, which not only supply the neck, but more importantly, fuse to form the basilar artery - the second main vessel that supplies the brain.

This video tutorial will help you to learn the anatomy, pathway and the areas supplied by the main arteries of the head and neck.

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Summary

Key points about the main arteries of the head and neck
Arteries that supply head and neck	Common carotid artery: External carotid artery, internal carotid artery Subclavian artery
External carotid artery	Main branches: Superior thyroid artery, ascending pharyngeal artery, lingual artery, facial artery, occipital artery, posterior auricular artery, superficial temporal artery, maxillary artery Supply: External structures of the head and face
Internal carotid artery	Main branches: Superior hypophyseal artery, inferior hypophyseal artery, ophthalmic artery, anterior choroidal artery, anterior cerebral artery, middle cerebral artery Supply: Blood supply to the brain via the circle of Willis
Subclavian artery	Main branches: Vertebral artery, thyrocervical trunk, costocervical trunk Supply: Structures of the neck; brain via basilar artery and circle of Willis

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Since you’ve mastered the basics of the head and neck arterial network, dive deeper into the blood supply of the viscerocranium and neurocranium: