后脑

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

耳小囊形成于半规管背与耳石器官腹且在第五脑特殊节状结构一个上皮囊。

In addition, the expression of GPR78 displayed the levels in tendency to decrease from telencephalon to metencephalon during embryonic period.

在胚胎期GRP78蛋白在脑组织表呈现从端脑到脑逐渐降低趋势。

The central nervous systeM consisted of brain, suboesophageal ganglion and ventral nerve-cord, and the differentiations aMong protocerebruM, deutocerebruM and tritocerebruM were obvious.

其中系统由脑、食管下节、腹索组成，前、中、脑分化明显。