Answer to Question #218316 in Biology for Daniel

Question #218316
Describe lymphatic
drainage of thoracic wall.
1
Expert's answer
2021-07-20T11:36:01-0400

Sternal or parasternal (internal thoracic) nodes

  • Are placed along the internal thoracic artery.
  • Receive lymph from the medial portion of the breast, intercostal spaces, diaphragm, and supraumbilical region of the abdominal wall.
  • Drain into the junction of the internal jugular and subclavian veins.

Intercostal nodes

  • Lie near the heads of the ribs.
  • Receive lymph from the intercostal spaces and the pleura.
  • Drain into the cisterna chyli or the thoracic duct.

Phrenic nodes

  • Lie on the thoracic surface of the diaphragm.
  • Receive lymph from the pericardium, diaphragm, and liver.
  • Drain into the sternal and posterior mediastinal nodes.

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