One of the mysteries of the English language finally explained.
A broad sheet of muscle fibres extending from the collar bone to the angle of the jaw.
- ‘However, submental electrode placement has the disadvantage of recording from the geniohyoid, mylohyoid, and platysma, as well as the genioglossus, thus complicating interpretation of the signal.’
- ‘A small light aids him as he suctions and cuts out the fat and stitches together the pink platysma muscle.’
- ‘The platysma is secured to the mastoid periosteum after raising the lateral platysma flap in order to help define the jaw line and improve contouring in the submandibular region.’
- ‘A ptosis of the platysma muscle which hangs down, causes a bad result when using liposuction alone.’
- ‘Examination of a patient with Bell's palsy shows impaired facial and platysma muscles causing drooping of the mouth and brow plus difficulty closing the eye or mouth.’
Late 17th century: modern Latin, from Greek platusma ‘flat piece, plate’.
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