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单词	platysma
释义	platysma /pləˈtɪzmə / noun (plural platysmas or platysmata /pləˈtɪzmətə/) Anatomy A broad sheet of muscle fibres extending from the collar bone to the angle of the jaw.A ptosis of the platysma muscle which hangs down, causes a bad result when using liposuction alone.... 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. Origin Late 17th century: modern Latin, from Greek platusma 'flat piece, plate'.
随便看	bread and wine breadbasket bread bin breadboard breadbox breadcrumb breadcrumbed breadcrumbs breadcrumb trail breaded breadfruit breadfruit tree breadhead breading bread-kind bread knife breadline bread mold bread palm bread pudding bread sauce breadstick breadstuff breadth breadthways

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