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(==The Thoracic and Right Lymphatic Ducts== ===Thoracic Duct=== The thoracic duct (ductus thoracicus) (Fig. 599) conveys the greater part of the lymph and chyle into the blood. It is the common trunk of all the lymphatic vessels of the body, excepting tho)
 
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==The Thoracic and Right Lymphatic Ducts==
==Modes of Origin of Thoracic Duct==
(Poirier and Charpy.)


===Thoracic Duct===
'''Legend'''
The thoracic duct (ductus thoracicus) (Fig. 599) conveys the greater part of the lymph and chyle into the blood. It is the common trunk of all the lymphatic vessels of the body, excepting those on the right side of the head, neck, and thorax, and right upper extremity, the right lung, right side of the heart, and the convex surface of the liver. In the adult it varies in length from 38 to 45 cm. and extends from the second lumbar vertebra to the root of the neck.
 
===Right Lymphatic Duct ===
 
The right lymphatic duct (ductus lymphaticus dexter) ([[:File:Gray0601.jpg|Fig. 601]]), about 1.25 cm. in length, courses along the medial border of the Scalenus anterior at the root of the neck and ends in the right subclavian vein, at its angle of junction with the right internal jugular vein. Its orifice is guarded by two semilunar valves, which prevent the passage of venous blood into the duct.


* a. - Thoracic duct.
* a'. - Cisterna chyli.
* b, c' - Efferent trunks from lateral aortic glands.
* d. - An efferent vessel which pierces the left crus of the diaphragm.
* e. f. - Lateral aortic glands.
* h. - Retroaortic glands.
* i. - Intestinal trunk.
* j. - Descending branch from intercostal lymphatics.





Revision as of 14:43, 14 February 2013

Modes of Origin of Thoracic Duct

(Poirier and Charpy.)

Legend

  • a. - Thoracic duct.
  • a'. - Cisterna chyli.
  • b, c' - Efferent trunks from lateral aortic glands.
  • d. - An efferent vessel which pierces the left crus of the diaphragm.
  • e. f. - Lateral aortic glands.
  • h. - Retroaortic glands.
  • i. - Intestinal trunk.
  • j. - Descending branch from intercostal lymphatics.




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Reference

Gray H. Anatomy of the human body. (1918) Philadelphia: Lea & Febiger.


Cite this page: Hill, M.A. (2024, May 21) Embryology Gray0601.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Gray0601.jpg

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