Fascial Layers of the neck

Question 1

what is the carotid sheath

Answer 1

paired structures which enclose important vessels and nerves. They are formed by contributions from the pretracheal, prevertebral, and investing fascia layers

Question 2

what are the contents of the carotid sheath

Answer 2

Common carotid artery (which bifurcates within the sheath into the external and internal carotid arteries).
Internal jugular vein.
Vagus nerve.
Cervical lymph nodes.