Nearby Words
noun, plural pla·tys·mas, pla·tys·ma·ta 
[-muh-tuh] , Anatomy.
[-muh-tuh] , 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.
Origin:
1685–95; < Neo-Latin < Greek plátysma a plate, literally, something wide and flat, equivalent to platý(nein) to widen (derivative of platýs; see platy-) + -sma, variant of -ma resultative suffix
1685–95; < Neo-Latin < Greek plátysma a plate, literally, something wide and flat, equivalent to platý(nein) to widen (derivative of platýs; see platy-) + -sma, variant of -ma resultative suffix
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To platysma
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Platysma
is always a great word to know.
So is cornea. Does it mean:
| the middle portion of the ear, consisting of the tympanic membrane and an air-filled chamber lined with mucous membrane, that contains the malleus, incus, and stapes. |
| the transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera |
American Heritage
Medical Dictionary
platysma pla·tys·ma (plə-tĭz'mə)
n. pl. pla·tys·mas or pla·tys·ma·ta (-mə-tə)
A platelike muscle in the neck extending to the lower face with origin from the subcutaneous layer and fascia covering the greater pectoral and deltoid muscles at the level of the first or second rib, with insertion to the mandible, the risorius muscle and platysma of the opposite side, with nerve supply from a branch of the facial nerve, and whose action depresses the lower lip and wrinkles the skin of the neck and the upper chest.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
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