Laryngomalacia is the most common etiology of non-infectious molluscum in infancy.Endoscopic morphology revealed abnormal droop of sub-glottis structures in inhale.

喉软化是婴儿期最常见非传染性病因,内镜检查示,吸气时声门有常下垂。

The results indicated that there were twelve groups of soil fauna, Arthropoda,Mollusca,Annelida etc.

土壤动物有节肢动物门、软体动物门、环节动物门等12个目或类。