[mee-dee-a-stahy-nuh m] /ˌmi di æˈstaɪ nəm/
noun, plural mediastina
[mee-dee-a-stahy-nuh] /ˌmi di æˈstaɪ nə/ (Show IPA). Anatomy.
a median septum or partition between two parts of an organ, or paired cavities of the body.
the partition separating the right and left thoracic cavities, formed of the two inner pleural walls, and, in humans, comprising all the viscera of the thorax except the lungs.
noun (anatomy) (pl) -na (-nə)
a membrane between two parts of an organ or cavity such as the pleural tissue between the two lungs
the part of the thoracic cavity that lies between the lungs, containing the heart, trachea, etc
mediastinum me·di·as·ti·num (mē’dē-ə-stī’nəm)
n. pl. me·di·as·ti·na (-nə)
me’di·as·ti’nal (-nəl) adj.
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