vein sector的意思|示意

And then, it can reflect the blood vessel flux of internal carotid plexus, intracranial sector and vertebral, the quantification target of vein backflow drag.

据此可反映出颈内动脉颅内段和椎动脉的血管流量以及静脉回流阻力等定量指标。

The lateral sector is pass by the trochlear, frontal and lacrimal nerves and the superior ophthalmic vein.

滑车神经、额神经、泪腺神经及眼上静脉经外侧区穿行。