Healthy, skin, mucous membranes, and cilia are natural barriers to many viruses.健康的皮肤, 粘膜和纤毛是许多病毒的天然屏障.Seromucous glands contain both mucous and serous cells.浆粘液腺既含有粘液性细胞,又含有浆液性细胞.Latin word originally means a mucous exc...
Mucous membranes or breaks in the skin were likely alternative entryways into the body.粘膜或者皮肤上的破裂处都可能成为病毒入侵的通道.However, eversion of the cervical mucous good elasticity, the more tidy edge.但外翻的宫颈粘膜弹性好, 边缘较整齐.Latin word or...