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17 Απρ 2024 · The carina of the trachea is a cartilaginous projection of the last tracheal ring, found at the bifurcation of the trachea into the left and right main (primary/principal) bronchi. It lies in the sagittal plane and is located in line with the sternal angle, at the level of the fourth thoracic vertebra (T4).
The carina is a cartilaginous ridge separating the left and right main bronchi that is formed by the inferior-ward and posterior-ward prolongation of the inferior-most tracheal cartilage. [2]
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Definition. The carina of trachea is a cartilaginous ridge within the trachea that runs antero-posteriorly between the two primary bronchi at the site of the tracheal bifurcation at the lower end of the trachea (usually at the level of the 5th thoracic vertebra, which is in line with the angle of Louis, but may raise or descend up to two ...
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Carina Function. When breathing, the carina moves up and down. On a deep inhale, it may move up to 25 mm in adults. The cartilaginous ridges within the trachea serve to reinforce the...
The trachea, sometimes called the windpipe, is actually a series of C-shaped cartilage rings which are connected by a thin layer of smooth muscle called the trachealis muscle and a connective tissue membrane. It runs from your larynx, or voice box, to a structure called the carina.
