mediastinum

(redirected from Posterior mediastinal cavity)
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Related to Posterior mediastinal cavity: Middle mediastinum

me·di·as·ti·num

 (mē′dē-ə-stī′nəm)
n. pl. me·di·as·ti·na (-nə)
The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.

[New Latin mediastīnum, from neuter of Medieval Latin mediastīnus, medial, middle, from Latin, servant employed on general tasks (Medieval Latin anatomical sense probably influenced by Latin intestīnum, intestine), from medius, middle; see medhyo- in Indo-European roots.]

me′di·as·ti′nal (-nəl) adj.

mediastinum

(ˌmiːdɪəˈstaɪnəm)
n, pl -na (-nə)
1. (Anatomy) a membrane between two parts of an organ or cavity such as the pleural tissue between the two lungs
2. (Anatomy) the part of the thoracic cavity that lies between the lungs, containing the heart, trachea, etc
[C16: from medical Latin, neuter of Medieval Latin mediastīnus median, from Latin: low grade of servant, from medius mean]
ˌmediasˈtinal adj

me•di•as•ti•num

(ˌmi di æˈstaɪ nəm)

n., pl. -na (-nə)
1. a median septum or partition between two parts of an organ or paired cavities of the body.
2. the area in the chest that lies between the lungs, is bounded by the sternum, the spinal column, and the diaphragm, and contains the heart, esophagus, trachea, and other thoracic structures.
[1535–45; < New Latin < Medieval Latin mediastīnus middle class, derivative of Latin medius mid1]
me`di•as•ti′nal, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mediastinum - the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymusmediastinum - the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body
chest cavity, thoracic cavity - the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart
Translations

me·di·as·ti·num

n. mediastino.
1. cavidad entre dos órganos;
2. masa de tejidos y órganos que separa los pulmones.

mediastinum

n mediastino
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