The perichondrium carries the blood supply to the cartilage . 软骨膜是向软骨输送血液的。
2.
To avoid risks during the management of these airway compromised infants , the following are essential : 1 . adequate neonatal intensive care training , 2 . delicate operation , 3 . swiftness in management , 4 . appropriate management of the lesion , and avoidance of damage to the perichondrium , 5 . good cooperation with expertised pediatric anesthesiologist 操作方面应注意下列5点： 1 )足够的小儿加护训练； 2 )操作须轻巧； 3 )手术须快速； 4 )适当处理病变组织，要避免伤害健康的软骨膜； 5 )获有经验的小儿麻醉医师的配合。
