SYN: p. (muscle). [G. p., a flatplate]

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pla·tys·ma plə-'tiz-mə n, pl -ma·ta -mət-ə also -mas a broad thin layer of muscle that is situated on each side of the neck immediately under the superficial fascia belonging to the group of facial muscles, that is innervated by the facial nerve, and that draws the lower lip and the corner of the mouth to the side and down and when moved forcefully expands the neck and draws its skin upward
pla·tys·mal -məl adj

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a broad thin sheet of muscle that extends from below the collar bone to the angle of the jaw. It depresses the jaw.

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pla·tys·ma (plə-tizґmə) [Gr.] [TA] a platelike muscle innervated by the cervical branch of the facial nerve; it originates from the fascia of the cervical region and inserts in the mandible and the skin around the mouth. It wrinkles the skin of the neck and depresss the jaw. platysmal adj

Medical dictionary. 2011.

Look at other dictionaries:

  • Platysma — (gr. πλάτυσμα „Platte“) ist die anatomische Bezeichnung für einen Hautmuskel (Musculus cutaneus) des Halses. Der Muskel liegt zwischen Haut und der oberflächlichen Halsfaszie, hat also keinen direkten Kontakt zum Skelett. Er kann der mimischen… …   Deutsch Wikipedia

  • Platysma — Platysma, s. u. Gierkäfer m) …   Pierer's Universal-Lexikon

  • platysma — /pleuh tiz meuh/, n., pl. platysmas, platysmata / meuh teuh/, Anat. 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… …   Universalium

  • Platysma — poodinis kaklo raumuo statusas T sritis gyvūnų anatomija, gyvūnų morfologija atitikmenys: lot. Platysma ryšiai: platesnis terminas – odos raumenys siauresnis terminas – kaklo odos raumuo siauresnis terminas – veido odos raumuo sinonimas –… …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • platysma — noun A muscle in the neck …   Wiktionary

  • Platysma — Platỵsma [aus gr. πλατυσμα = Platte] s; s, ta: der platte Hautmuskel des Halses (zwischen dem Unterkiefer und der zweiten Rippe; spannt die Halshaut) …   Das Wörterbuch medizinischer Fachausdrücke

  • platysma — n. muscle located on the side of the neck …   English contemporary dictionary

  • platysma — [plə tɪzmə] noun (plural platysmas or platysmata mətə) Anatomy a broad sheet of muscle fibres extending from the collar bone to the angle of the jaw. Origin C17: mod. L., from Gk platusma flat piece, plate …   English new terms dictionary

  • platysma — pla·tys·ma …   English syllables

  • platysma — n. a broad thin sheet of muscle that extends from below the collar bone to the angle of the jaw. It depresses the jaw …   The new mediacal dictionary

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