yī / shēng / tōng / guò / jiǎn / chá / lái / pàn / duàn / nǎo / xià / chuí / tǐ / shì / fǒu / zhèng / cháng

医生通过检查来判断脑下垂体是否正常。

The doctor used tests to determine whether the pituitary gland was functioning normally.