Anterior part of the lateral surface of the zygomatic bone.
Upper lip, medial to the corner of the mouth.
Arises anterior to the origin of zygomaticus major on the zygomatic bone.
Assists in deepening or elevating the nasolabial furrow e.g. when making expressions of disdain or contempt..
Buccal branch of the facial nerve (CN 7).
Superior labial branch of facial artery.