RegistrarSo what structure do I need to be careful of when operating just here, PTR?PTRThe facial artery?RegistrarNo.PTRThe external carotid?RegistrarNo.PTRThe cervical branch of the facial nerve?RegistrarNo, the marginal mandibular nerve.PTR?!?[Enter Consultant]ConsultantSo, PTR, what structure should the Registrar be careful to preserve in this area?PTR
Hmmm. The marginal mandibular nerve?ConsultantYes, that's right. Excellent![Exit Consultant]PTRSo - what's this marginal mandibular nerve then?