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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.
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 located at the bottom of the trachea at the T4/T5 vertebral level. Carina anatomy varies between individuals. The pulmonary arteries are the primary source of blood flow to the...
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 ...
CLASSIFICATION OF CARINAE. Our proposed nomenclature for the carinae in the bronchial tree is shown in Figure 1. The abbreviation, MC, describes the main carina dividing the two major bronchi.
The trachea serves as a conduit for ventilation and the clearance of tracheal and bronchial secretions. The trachea begins at the lower border of the cricoid cartilage and extends to the level of the carina . It is composed of C-shaped cartilaginous rings that form the anterior and lateral walls.
21 Νοε 2023 · The carina – which is found at the bifurcation of the trachea – marks the transition from the upper respiratory tract to the lower respiratory tract.
