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 ?
The sac was bluntly dissected and delivered from the mediastinum into the neck.
The persistent left SVC coursed through the left mediastinum and around the left side of the heart, where it emptied into the coronary sinus, which was significantly enlarged.
In addition, please offer a small probe to use just above the breastbone between the collar bones to look down into the upper mediastinum.
Masses arising in the anterior mediastinum include most commonly, thymomas (approximately 20 percent of cases), lymphomas (15-20 percent of cases), and germ cell tumors (approximately 15 percent of cases).
In addition to these causative factors, aneurysms located in the upper mediastinum may lead to shoulder pain by means of pressure application on the lower truncus of the brachial plexus (5,6).
A small amount of air present in the anterior and middle mediastinum was attributed to the stab wound.
Windows for mediastinal ultrasound include the suprasternal notch and parasternal intercostal spaces, which allow for detection of enlarged lymph nodes in the superior and anterior mediastinum.
Congenital cysts are usually unilocular, arise from a persistent patent thymopharyngeal duct, and usually present as a unilocular cystic mass confined to the mediastinum or extending inferiorly within the neck, paralleling the sternocleidomastoid muscle as a dumbbell-shaped left cervicothoracic cystic mass (Fig.
The computed tomography displayed that the veins were visible and ran in the anterior mediastinum as a venous tuft from brachiocephalic veins (Fig.
Other major interests and specialization includes diagnostic and minimally invasive approaches to benign and malignant diseases of the chest including lung, mediastinum, and esophagus.
Until now, most standard treatment approaches for patients with this type of lymphoma have included radiation therapy to the mediastinum.
Investigation of the compartment of the chest that contains the heart, oesophagus and trachea, known as the mediastinum, by a viewing tube with a light and lens (endoscope) inserted into the cavity through an incision in the neck.