It's what separates the nasal cavity from the mouth.

它把鼻腔和口腔分隔开来。

These neurons migrate down from the olfactory placode and get embedded in the cribriform plate, which is a bone plate that separates the nasal cavity from the brain, forming the olfactory bulb.

这些神经元从嗅觉基板迁移下来，并嵌入筛板中，即将鼻腔与大脑隔开的骨板，从而形成嗅球。