Vertebrate Brains consist of the hindbrain (rhombencephalon), midbrain (mesencephalon), and forebrain (prosencephalon).

高等脊椎动物的脑包括后脑、中脑和前脑。

The enlargement of CMS in the fetuses may be shown in physiologic enlargement of posterior fossa. ConclusionsCMS is a potential new marker for normal development of rhombencephalon.

CMS增大可见于小脑延髓池生理性增大。结论 CMS是菱脑发育正常的标志之一。