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17 Απρ 2024 · Carina of trachea. Structures of the larynx, trachea and bronchi seen from an anterior and posterior views. 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.
- Video: Trachea histology
The trachea, sometimes called the windpipe, is actually a...
- Video: Trachea histology
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.
19 Σεπ 2023 · The main function of the trachea is to transport air in and out of the lungs during the act of breathing. In addition, it protects the respiratory tract by warming and moistening the air and propelling foreign particles upwards towards the pharynx for expulsion.
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] The carina occurs at the lower end of the trachea - usually at the level of the 4th to 5th thoracic vertebra.
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...
Gallery. 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 vertebrae ...
The trachea divides into the right and left primary bronchi at the inferior end, each of which extends to a lung. The inferior tracheal cartilage forms a ridge called the carina. The carina is an important radiological landmark and it is very sensitive to mechanical stimulation.
