All of the following structures pierce the buccinator muscle except -
Structures piercing the buccinator are :-


Parotid duct
Buccal branch of mandibular nerve
Four or five molor mucous glands lying on the bucco-pharyngeal fascia around the parotid duct.
Parotid duct
Molar glands of the cheek
Buccal branch of facial nerve
Buccal branch of the mandibular nerve