Table 1 Laryngeal and tracheal measurements in four rabbits at different locations of the larynx and trachea
From: Helical computed tomography scanning of the larynx and upper trachea in rabbits
Structure | Measurements | Rabbit no. | Mean | Standard deviation | |||
|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | ||||
Arytenoid | Anteroposterior (mm) | 9.2 | 8.2 | 8.8 | 8.1 | 8.6 | 0.5 |
Transverse (mm) | 5.3 | 5.3 | 5.3 | 5.4 | 5.3 | 0.1 | |
Surface area (mm2) | 37.6 | 34.6 | 37.4 | 33.1 | 35.7 | 2.2 | |
Cricoid | Anteroposterior (mm) | 7.6 | 7.6 | 8.7 | 8.9 | 8.2 | 0.7 |
Transverse (mm) | 5.6 | 4.8 | 6.0 | 5.6 | 5.5 | 0.5 | |
Surface area (mm2) | 34.2 | 30.3 | 42.6 | 36 | 35.8 | 5.1 | |
1st tracheal ring | Anteroposterior (mm) | 7.6 | 7.6 | 7.8 | 7.9 | 7.7 | 0.2 |
Transverse (mm) | 5.4 | 5.9 | 6.7 | 6.3 | 6.1 | 0.6 | |
Surface area (mm2) | 33.9 | 37.5 | 43 | 42.3 | 39.2 | 4.3 | |
3rd tracheal ring | Anteroposterior (mm) | 6.5 | 7.1 | 7 | 7.1 | 6.9 | 0.3 |
Transverse (mm) | 6.3 | 6.5 | 6.8 | 6.8 | 6.6 | 0.2 | |
Surface area (mm2) | 33.5 | 36.7 | 37.5 | 38.3 | 36.5 | 2.1 | |
8th tracheal ring | Anteroposterior (mm) | 6.8 | 6.9 | 7.2 | 6.4 | 6.8 | 0.3 |
Transverse (mm) | 7.3 | 7.2 | 7.4 | 7.2 | 7.3 | 0.1 | |
Surface area (mm2) | 40.3 | 38.9 | 44.7 | 36.8 | 40.2 | 3.3 | |
Cricoid-3rd tracheal ring | Length (mm) | 9.5 | 8.1 | 12.8 | 12.4 | 10.7 | 2.3 |
Cricoid-8th tracheal ring | Length (mm) | 22 | 24.6 | 26.9 | 22.7 | 19.1 | 1.14 |