后脑

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

耳小形成于半规管背面与耳石器官腹面且第五后脑特殊节状结构后面一个上。

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

胚胎期GRP78蛋白脑组织表呈现从端脑到后脑逐渐降势。

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

其中枢神经系统由脑、食管下神经节、腹神经索组成，前、中、后脑分化明显。