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TRACHEA

Anatomy-Neck

TRACHEA

ORIGIN
1. Begins at C6 vertebra as a continuation of the larynx.
2. Attached to the cricoid cartilage by the cricotracheal ligament.

STRUCTURE
3. Its patency is maintained by C-shaped hyaline cartilages, joined together posteriorly by fibro-elastic membrane.

NECK & CHEST
4. Of the total 10cm, 5cm are in the neck (from the cricoid cartilage to the sternal notch) but during deep inspiration the total length may stretch to 15cm.
5. The trachea bifurcates at the transthoracic plane.

CLINICAL
6. Tracheotomy implies making an incision in the trachea.
7. Tracheostomy implies making a stoma by removing a part of the tracheal wall.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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