英语语法分析

Sulcation was seen in the whole cerebral cortex from 30 weeks on.

从30孕周开始，整个大脑皮层均可见脑沟形成。

The involved cerebral hemisphere will have enlarged sulci if the cerebral injury occurred after birth or after completion of sulcation.

假如脑损伤发生在生后或脑沟形成后，受累的大脑半球将会出现脑沟加深。