Myology, Neurology, Angiology and Aesthesiology: Mediastinal lymph node

Mediastinal lymph node

MEDASTINAL LYMPH NODE

Anterior mediastinal lymph node

These are situated in the anterior mediastinum along the oesophagus trachea anterior vena cava and common brachiocephalic trunk.
Two or four are found ventral to the trachea and oesophagus. The largest often lies along the origin of the internal thoracic artery.
Afferents: Pleura, trachea, oesophagus, thymus, pericardium, heart and lungs.
Efferents: On the left to the thoracic duct on the right to the right lymphatic duct or costocervical nodes.

Middle mediastinal lymph node

They are situated on the superior part of middle mediastinum over the oesophagus on the right side.
Afferents: Pleura, pericardium, longus colli, vertebrae, etc.
Efferents: To the efferent of the posterior mediastinal glands.

Posterior mediastinal lymph node

These lie along the oesophagus in the posterior mediastinum
Afferents: Oesophagus, lungs, pericardium, mediastinum, diaphragm, liver and spleen.
Efferents: To thoracic duct.

Dorsal mediastinal lymph node

They are situated on either side of the aorta and between it and vertebrae.
Afferents: Similar to intercostal and also from diaphragm pericardium mediastinum.
Efferents: To the efferent from posterior mediastinal or to the thoracic duct.

Ventral mediastinal lymph node

These lie on the transversus thoracic muscle at the apex of the pericardium.
Afferents: Pleura diaphragm pericardium and sternum.
Efferents: To the anterior sternal node.

Last modified: Monday, 17 October 2011, 6:28 AM

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      - Lymph nodes of head
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      - Mediastinal lymph node
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VAN 121: Veterinary Gross Anatomy-II (2+2)

Mediastinal lymph node

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