trachea

trachea   Dan trachea

i) extrapulmonary region ประกอบด้วย nasal cavities ,pharynx , larynx , trachea และ bronchi ii

The trachea is part of the airway between the voice box and the lungs and is made up of “C”-shaped cartilage called tracheal rings  1 The trachea is surrounded by c-shaped rings of hyaline cartilage There are typically 16–20 cartilaginous rings stacked along the length of

lottorich 28.com เข้าสู่ระบบ ล่าสุด The trachea is a D-shaped fibrocartilaginous respiratory organ It consists of 16-20 tracheal cartilages anterolaterally and a fibromuscular wall posteriorly  The trachea is a flexible air tube located in the midline of the neck and rib cage