platysma

• Muscle large et mince situé sur les côtés du cou, s'étendant de la mâchoire inférieure à la clavicule, innervé par le nerf facial et participant aux mouvements de la bouche et de la mâchoire.

A broad, thin muscle located on each side of the neck, extending from the lower jaw to the clavicle, innervated by the facial nerve, and involved in movements of the mouth and jaw.

1. Neck muscleC2formalmedical

   A broad, thin sheet-like muscle located on each side of the neck, extending from the lower jaw down to the clavicle, innervated by the facial nerve, and involved in movements of the mouth and jaw.

   Muscle peaucier du cou (platysma)

   • The platysma contracts when you grimace or show tension in the neck.
   • During surgery, the platysma is carefully separated to access deeper structures.
   • The platysma helps pull the corners of the mouth downward, as in expressions of sadness.