All the following structures are related to carotid sheath except:
Ans: A (Sympathetic trunk) Ref: Grays Anatomy 40th EdExplanation:Carotid sheathIt is the tubular investment of deep cervical facsiaThe anterior wall of the sheath is formed by pre-traeheal fasciaThe posterior wall is formed by pre-vertebral fasciaAnca cervicalis embedded in the anterior wall of carotid sheathContents:1. Common carotid artery2. Internal carotid artery3. Internal jugular vein4. Vagus nerve
Sympathetic trunk
Vagus nerve
Internal carotid artery
Internal jugular vein
Triangles of Neck