Anatomy - Complete Study Notes

University:
North Idaho College
Course:
NURS 201 | Fundamentals Of Nursing
Academic year:

2021
Views:

408

Pages:

49
Author:

MichGar

Introduction: i) It has a beaded appearance due to the presence of many valves in its lumen. ⅱ) It is the longest lymphatic duct present in the human body. iii) It is a hollow organ. iv) It carries lymph from all over the body, which is a liquid type of modified connective tissue. vi) The brain, spinal cord, and retina do not have lymphatic drainage. vi) It receives lymphatic drainage from all over the body except the right part of the face, scalp, neck, and thorax up to the respiratory diaphragm, and the upper limb. Course: The thoracic duct begins as a continuation of the upper end of the cisterna chyli near the 12th thoracic vertebra. It enters the thorax through the aortic opening of the diaphragm. ii) It then ascends through the posterior mediastinum from the level of the 12th thoracic vertebra to the 5th thoracic vertebra, where it crosses from the right side to the left side. in) It courses through the superior mediastinum and reaches the neck.