Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Timeline from 1800 to present, showing the date of the first description of important structures in the human face. DLCF, deep lateral cheek fat; DMCF, deep medial cheek fat; LOT, lateral orbital thickening; ROOF, retro-orbicularis oculi fat; SMAS, superficial musculoaponeurotic system; SOOF, suborbicularis oculi fat. Reproduced with permission from Cotofana et al. (2016).
