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Mediastinum
3D rendering of a high resolution computed tomography of the thorax, with mediastinum marked in blue.
Mediastinum. The division between superior and inferior is at the sternal angle.
Details
Identifiers
Latin
mediastinum[1]
MeSH
D008482
TA98
A07.1.02.101
TA2
3333
FMA
9826
Anatomical terminology
[edit on Wikidata]
The mediastinum (from Medieval Latin: mediastinus, lit. 'midway';[2]pl.: mediastina) is the central compartment of the thoracic cavity. Surrounded by loose connective tissue, it is an undelineated region that contains a group of structures within the thorax, namely the heart and its vessels, the esophagus, the trachea, the phrenic and cardiac nerves, the thoracic duct, the thymus and the lymph nodes of the central chest.
The mediastinum (from Medieval Latin: mediastinus, lit. 'midway';pl.: mediastina) is the central compartment of the thoracic cavity. Surrounded by loose...
The mediastinum testis is a thick yet incomplete septum at the posterior part of the testis formed by the tunica albuginea of testis projecting into the...
through the aortic hiatus into first the posterior mediastinum and then the superior mediastinum, extending as high up as the root of the neck before...
A mediastinal tumor is a tumor in the mediastinum, the cavity that separates the lungs from the rest of the chest. It contains the heart, esophagus, trachea...
Uterine artery (female) Vaginal artery (female) The contents of superior mediastinum can be remembered using the mnemonic, "TT ET AV N LO" or "Try To Eat...
Mediastinitis is inflammation of the tissues in the mid-chest, or mediastinum. It can be either acute or chronic. It is thought to be due to four different...
two opposing layers of serous membrane separating the lungs from the mediastinum and the inside surfaces of the surrounding chest walls. The portion of...
represents the imaginary boundary between the superior and inferior mediastinum. It is also used to identify the second rib during physical examination...
and fascia). The central compartment of the thoracic cavity is the mediastinum. There are two openings of the thoracic cavity, a superior thoracic aperture...
sheath. It extends between the base of the skull superiorly, and the mediastinum inferiorly. It contains the retropharyngeal lymph nodes. Its function...
pericardial cavity, which contains pericardial fluid, and defines the middle mediastinum. It separates the heart from interference of other structures, protects...
in the middle mediastinum, and is either from anterior or posterior mediastinum(most of the masses arise from the anterior mediastinum). Chest radiograph...
located in the upper front part of the chest, in the anterior superior mediastinum, behind the sternum, and in front of the heart. It is made up of two...
tributaries include the right bronchial veins and veins from pericardium, mediastinum, and oesophagus. It communicates with the vertebral venous plexuses....
emphysema) is pneumatosis (abnormal presence of air or other gas) in the mediastinum, the central part of the chest cavity. First described in 1819 by René...
ascends along the left side of the trachea and through the superior mediastinum. Finally, the left subclavian artery comes off of the aortic arch to...
artery, brachiocephalic trunk, or innominate artery is an artery of the mediastinum that supplies blood to the right arm, head, and neck. It is the first...
Retropharyngeal 8 mm Lateral retropharyngeal: 5 mm MediastinumMediastinum, generally 10 mm Superior mediastinum and high paratracheal 7mm Low paratracheal and...
wheezing and difficulty breathing. Chest X-rays may show air in the mediastinum, the middle of the chest cavity. A significant case of subcutaneous emphysema...
of the thorax, showing the contents of the middle and the posterior mediastinum. Identifiers MeSH D035441 FMA 10428 Anatomical terminology [edit on Wikidata]...
Retropharyngeal 8 mm Lateral retropharyngeal: 5 mm MediastinumMediastinum, generally 10 mm Superior mediastinum and high paratracheal 7mm Low paratracheal and...
aortic arch in the superior mediastinum Where the esophagus is compressed by the left main bronchus in the posterior mediastinum The esophageal hiatus, where...
Mediastinoscopy is a procedure that enables visualization of the contents of the mediastinum, usually for the purpose of obtaining a biopsy. Mediastinoscopy is often...
epididymis), the tunica albuginea extends into the testis to form the mediastinum testis. It is thicker than the tunica albuginea of the ovary. It is composed...
root of the lung structures. The parietal pleura is attached to the mediastinum, the upper surface of the diaphragm, and to the inside of the ribcage...
the superior thoracic outlet is the root of the neck, and the superior mediastinum is inferiorly related. The brachial plexus is a superolateral relation...
toward the mediastinum testis. Each lobule is contained in one of the intervals between the fibrous septa which extend between the mediastinum testis and...
anastomosing network of delicate tubules located in the hilum of the testicle (mediastinum testis) that carries sperm from the seminiferous tubules to the efferent...
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