platysma

• Músculo ancho y fino situado a los lados del cuello, que se extiende desde la mandíbula hasta la clavícula, inervado por el nervio facial y que participa en los movimientos de la boca y la mandíbula.

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.

   Músculo platisma

   • 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.