anguli
noun medical specialized uk/ˈæŋ.ɡjə.li/ us/ˈæŋ.ɡjə.li/
(拉丁语）角（用于医学术语中，单数形式为angulus)
a Latin word meaning "of an angle" or "of a corner", used in medical names and descriptions
The levator anguli oris muscles raise the corners of the mouth when we smile. 人们微笑时提口角肌使嘴角向上提升。