The lateral mesoderm is divided into two distinct layers by the formation of the
A、extraembryonic coelom;
B、 intraembryonic coelom;
C、 cardiogenic region;
D、 notochord
发布时间:2025-02-28 01:29:07
A、extraembryonic coelom;
B、 intraembryonic coelom;
C、 cardiogenic region;
D、 notochord