Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.
from The Century Dictionary.
- noun In anatomy, a median septum or partition between two parts of an organ, or between two paired cavities of the body; especially, the membranous partition separating the right and left thoracic cavities, formed of the two inner pleural walls.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy The region in
mammals between the pleural sacs, containing theheart and all of thethoracic viscera except thelungs .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
Support
Help support Wordnik (and make this page ad-free) by adopting the word mediastinum.
Examples
-
SATCHER: Well, the spores get into the lungs and they end up in the lymph nodes, in the chest, what we call the mediastinum (ph).
-
The adjacent sides of the two pleural sacs are central to the thorax, and form that space which is called mediastinum; the heart is located in this mediastinum, U E, Plate 1.
Surgical Anatomy Joseph Maclise
-
It is applied to the tunica vasculosa over the glandular substance of the testis, and, at its posterior border, is reflected into the interior of the gland, forming an incomplete vertical septum, called the mediastinum testis (corpus Highmori).
-
Schwannoma originating from the vagus nerve within the mediastinum is a rare, usually benign tumor.
BioMed Central - Latest articles Kyriakos Rammos 2009
-
Harvey Cushing, another star apprentice, even “cleaned out the anterior mediastinum,” the deep lymph nodes buried inside the chest.
The Emperor of All Maladies Siddhartha Mukherjee 2010
-
Harvey Cushing, another star apprentice, even “cleaned out the anterior mediastinum,” the deep lymph nodes buried inside the chest.
The Emperor of All Maladies Siddhartha Mukherjee 2010
-
Harvey Cushing, another star apprentice, even “cleaned out the anterior mediastinum,” the deep lymph nodes buried inside the chest.
The Emperor of All Maladies Siddhartha Mukherjee 2010
-
One of the neatest evidences I see of God in Creation is the bison...with an incompletely divided mediastinum.
Archive 2008-07-01 LuLu 2008
-
The mediastinum, all the stuff, and they go, oh, this isn't good, we can't treat for a heart attack.
-
The mediastinum, all the stuff, and they go, oh, this isn't good, we can't treat for a heart attack.
fbharjo commented on the word mediastinum
heart space
January 4, 2010
chained_bear commented on the word mediastinum
"She knelt by his head and did as I told her, and the mediastinum of the trachea bulged into view as the skin and fascia over it tightened."
—Diana Gabaldon, The Fiery Cross (NY: Bantam Dell, 2001), 920
January 26, 2010
norahess commented on the word mediastinum
Is the space between the lungs. It contains the heart, epsophagus'trachea, great blood vessels and other structures
February 23, 2010