Maximum AP diameter of trachea in male and female are
Trachea: - Trachea is a flexible tube that extends from veebral level C6 in the lower neck to veebral level T 4 / 5 in the mediastinum where it bifurcates into a right and a left main bronchus. Measurement of trachea: - Parameters Average Minimum Maximum A - P diameter (mm) Male Female Male Female Male Female 18.82 13.25 10.15 10.72 22.92 17.25 Transverse diameter 16.30 14.92 11.02 10.57 19.98 17.22
27 mm and 25 mm
25 mm and 23 mm
25 mm and 21 mm
20 mm and 15 mm
Pharynx, larynx and trachea and cranial nerves 3,4,6