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platysma |
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platysma [plə′tiz·mə]
(anatomy) A subcutaneous muscle of the neck, extending from the face to the clavicle; muscle of facial expression. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | A 23-mm mass was noted in the left submandibular region, pushing the submandibular salivary gland and platysma muscle (figure 1). This also softens the look of vertical banding caused by the platysma muscle that is often so pronounced in aging necks, and also helps minimize those visible folds and creases. These include cutaneous branches of the cervical plexus supplying the skin overlying the posterior triangle; the platysma and omohyoid muscles; the spinal accessory nerve, which innervates the SCM and trapezius muscles; the deep cervical lymph nodes; the brachial plexus; and numerous arteries and veins--prominent is the external jugular vein (see Figure 2). |
platysma |
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