Associations to the word «Mediastinum»

Wiktionary

MEDIASTINUM, noun. (anatomy) The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.

Dictionary definition

MEDIASTINUM, noun. The part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats