trachea
Trachea Contemporary Health Issues
The trachea is a tube-shaped structure consisting of 15-20 D-shaped cartilage rings anterolaterally bridged by annular ligaments The trachealis muscle (smooth
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เว็บไซต์ trachea The trachea is a tube-shaped structure consisting of 15-20 D-shaped cartilage rings anterolaterally bridged by annular ligaments The trachealis muscle (smooth trachea 1 The trachea is surrounded by c-shaped rings of hyaline cartilage There are typically 16–20 cartilaginous rings stacked along the length of
trachea i) extrapulmonary region ประกอบด้วย nasal cavities ,pharynx , larynx , trachea และ bronchi ii i) extrapulmonary region ประกอบด้วย nasal cavities ,pharynx , larynx , trachea และ bronchi ii The trachea is a midline structure and lies just anterior the esophagus After it originates from the larynx, the trachea divides into the left and right