mediastinum


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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
References in periodicals archive ?
Endobronchial ultrasound with transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive and safe technique which is universally accepted for the mediastinum and/or hilum lymph node biopsy.
1] Mediastinal thyroid must be differentiated from germ cell tumours, lymphomas, neurogenic tumours, thymic tumours, ganglioneuromas and cervical goitre extending into the mediastinum.
With over 40 years of collective experience, the thoracic and esophageal surgery team provides treatment for a wide range of malignant and non-malignant conditions affecting the lung, esophagus, thymus, mediastinum, chest wall, and diaphragm.
The mediastinum is the most common location of an intrathoracic mass in children.
The frequency of a mediastinal teratoma arising in the posterior mediastinum is approximately 3%.
The chest X-ray showed widened mediastinum, with right paracardial lung infiltration shadow, that followed the contours of the heart.
Traditionally, cysts found within the posterior mediastinum have been universally diagnosed as masses of neurogenic or bronchogenic origin.
Chest CT detected free air particles around the clavicle and sternum, in cervical region, between muscles, at subcutaneous tissue, in peritracheal and esophageal region, at superior mediastinum and anterior thymus, at retrosternal localization, around of arcus aorta and its branches, in mediastinal and deeper neck fascia's without any positive findings of intestinal perforation.
We aimed to assess the role of computed tomography (CT) perfusion in differentiation of thymoma from thymic hyperplasia, lymphoma, thymic carcinoma, and lung cancer invading anterior mediastinum.
Chest X-ray showed widening of the mediastinum and bilateral haemothorax while ultrasound Focused Assessment with Sonography in Trauma (FAST) was negative.
During assessment by sestamibi scan, there was an uptake in upper of right mediastinum.
The mediastinum is an extremely complex and interesting area of the body.