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Mediastine

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Mediastine \Me`di*as"tine\, Mediastinum \Me`di*as*ti"num\, n.
   [NL. mediastinum, fr. L. medius middle; cf. mediastinus
   helper, a menial servant, LL. mediastinus equiv. to medius:
   cf F. m['e]diastin.] (Anat.)
   A partition; a septum; specifically, the folds of the pleura
   (and the space included between them) which divide the thorax
   into a right and left cavity. The space included between
   these folds of the pleura, called the mediastinal space,
   contains the heart and gives passage to the esophagus and
   great blood vessels.
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