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platysma

[ pluh-tiz-muh ]
/ pl蓹藞t瑟z m蓹 /
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noun, plural pla路tys路mas, pla路tys路ma路ta [pluh-tiz-muh-tuh], /pl蓹藞t瑟z m蓹 t蓹/, Anatomy.
a broad, thin muscle on each side of the neck, extending from the upper part of the shoulder to the corner of the mouth, the action of which wrinkles the skin of the neck and depresses the corner of the mouth.
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Origin of platysma

1685鈥95; <New Latin <Greek pl谩tysma a plate, literally, something wide and flat, equivalent to plat媒(nein) to widen (derivative of plat媒s;see platy-) + -sma, variant of -ma resultative suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2023

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