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mediastinum
[ mee-dee-a-stahy-nuhm ]
/ Ėmi di ƦĖstaÉŖ nÉm /
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noun, plural meĀ·diĀ·asĀ·tiĀ·na [mee-dee-a-stahy-nuh]. /Ėmi di ƦĖstaÉŖ nÉ/. 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.
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Origin of mediastinum
1535ā45; <New Latin; compare mediastÄ«nus of middle class, apparently identical with Latin mediast(r)Ä«nus a low-ranking slave, perhaps derivative of mediusmid1, though sense and formation unclear
OTHER WORDS FROM mediastinum
meĀ·diĀ·asĀ·tiĀ·nal, adjectiveWords nearby mediastinum
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Ā© Random House, Inc. 2022
How to use mediastinum in a sentence
British Dictionary definitions for mediastinum
mediastinum
/ (ĖmiĖdÉŖÉĖstaÉŖnÉm) /
noun plural -na (-nÉ) anatomy
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
Derived forms of mediastinum
mediastinal, adjectiveWord Origin for mediastinum
C16: from medical Latin, neuter of Medieval Latin mediastīnus median, from Latin: low grade of servant, from medius mean
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medical definitions for mediastinum
mediastinum
[ mÄā²dÄ-É-stÄ«ā²nÉm ]
n. pl. meā¢diā¢asā¢tiā¢na (-nÉ)
A septum between two parts of an organ or a cavity.
The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.interpleural space mediastinal space
Other words from mediastinum
meā²diā¢asā¢tiā²nal (-nÉl) adj.meā²diā¢asā¢tiā²nalā¢ly adv.The American HeritageĀ® Stedman's Medical Dictionary
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