The wall of the small intestine is divided into 4 layers: mucosa layer, submucosa layer, muscle layer and serosa layer()
The wall of the small intestine is divided into 4 layers: mucosa layer, submucosa layer, muscle layer and serosa layer()
A.正确
B.错误
正确答案:正确
Tag:动物解剖生理
时间:2021-12-25 22:22:16