The Carotid Triangle

The boundaries of the carotid triangle are: posterior belly of digastric muscle (pbd) superior belly of the omohyoid muscle (so) anterior border of sternomastoid muscle (st)	Boundaries of Carotid Triangle

Starting from the most superficial aspects of the carotid triangle, we will point out the items that are related to it.

Roof of carotid triangle The first layer, under the skin and superficial fascia includes the platysma, which forms the roof of the carotid triangle. Note the location of the carotid triangle in purple.

Vein of the carotid triangle With the roof removed, you can see the boundaries of the carotid triangle and the superficial veins related to it: common facial vein (cf) (within carotid triangle) Other structures near by: retromandibular vein (rm) posterior auricular vein (pav) facial vein (fv) external jugular vein (ej) anterior jugular vein