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Anatomy

  • Ahmad Wagih Abdel (Halim)
Chapter

Head and Neck

Arterial Supply

  • The left common carotid artery (CCA) arises directly from the aorta, while the right CCA arises from the brachiocephalic trunk.

  • Each CCA bifurcates at the level of T4 into two branches:
    1. 1.

      External carotid artery (ECA): Gives multiple branches, including the superficial temporal, lingual, and maxillary

       
    2. 2.

      Internal carotid artery (ICA): Passes through the carotid foramen into the inside of the skull and forms the circle of Willis; see Chapter 3, Neuroanatomy, for more details

       

Venous Drainage

  • Face: Drains into the internal jugular vein (IJV) via the facial vein

  • Brain: Drains into the dural venous sinuses; see Chapter 3, Neuroanatomy.

  • Note: The facial vein is connected to the cavernous sinus, so an infection of the face may be transmitted intracranially, causing cavernous sinus thrombosis.

Carotid Sheath and Neck Triangles

  • Carotid sheath: Contains common carotid artery (medially), internal jugular vein (laterally), and vagus nerve (posteriorly)

  • Triangles:...

Keywords

Inferior Vena Cava Venous Drainage Superior Vena Cava Lymph Drainage Medial Collateral Ligament 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.McLaren Regional Medical CenterFlintUSA

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