Medical Dictionary

platysma

play
noun pla·tys·ma \plə-ˈtiz-mə\

Medical Definition of platysma

plural

platysmata

\-mət-ə\play also

platysmas

  1. :  a broad thin layer of muscle that is situated on each side of the neck immediately under the superficial fascia belonging to the group of facial muscles, that is innervated by the facial nerve, and that draws the lower lip and the corner of the mouth to the side and down and when moved forcefully expands the neck and draws its skin upward

platysmal

\-məl\play adjective

Illustration of platysma


Seen and Heard

What made you want to look up platysma? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to help become familiar with something

Get Word of the Day daily email!