The muscular layer of the stomach is very strong and divided into three layers. The layer is oblique muscle distributing only in the non-glandular part, the strongest of which is in the cardia, forming the cardia sphincter.
The muscular layer of the stomach is very strong and divided into three layers. The layer is oblique muscle distributing only in the non-glandular part, the strongest of which is in the cardia, forming the cardia sphincter.
正确答案:inner
Tag:动物解剖生理
时间:2021-12-25 22:22:38