Which aery is palpated at the anterior border of masseter?
Masseter muscle covers the lateral surface of ramus of mandible which has three layers ORIGIN- Superficial layer: from anterior two third of zygomatic arch Deep layer: from deep surface of zygomatic arch Middle layer: from lower border of posterior one-third of zygomatic arch INSEION- Superficial fibers pass downwards and backward at 45 degree Deep fibers pass veically downwards Middle fibers pass or veically downwards NERVE SUPPLY- By masseteric nerve, a branch of anterior division of mandibular nerve ACTIONS- Elevates mandible to close the mouth to bite Superficial fibers cause protrusion Ref BDC volume 3,sixth edition pg 116
Superficial temporal
Occipital
Facial
External carotid
Head and neck