Describe the Muscles of the Face
The muscles of the face are unique in that they are located within the superficial fascia and its subcutaneous tissue - the panniculus adiposus - which they move.
The muscles of facial expression are functionally arranged into groups around the facial orifices: orbital, nasal or oral, where each muscle provides a dilator or sphincter mechanism.
Layers of the Face
Superficial Fat compartments
Superficial Musculoaponeuritc system
Mimetic Muscles + facial nerve
Deep Fat compartments
Describe the superficial musculoaponeurotic system
Fibromuscular, blends inferiorly with platysma. extends superiorly as superficial temporal fascia
Divides facial subcutaneous fat into 2 layers.
Superficial fat lobules have fibrous septae that extend to the dermis (hence muscles move skin)
Connect dermis to underlying periosteum:
Zygomatic Ligament - McGregors patch - zygomatic arch to dermis.
Masseteric Ligaments - false - arise from anterior border of masseter into SMAS, in age they weaken and form jowls.