anterior ethmoidal nerve

例句：

1. 1. The anterior ethmoidal nerve is responsiblefor the distribution of blood to the eyes.
   前筛神经负责将血液分配到眼睛。
2. 2. During surgery, the anteriorethmoidal nerve is carefully dissected to avoid damaging it.
   在手术过程中，要仔细分离前筛神经以避免损伤。
3. 3. The patient's condition worsenedafter the anterior ethmoidalnerve was severed.
   患者的病情在切断前筛神经后恶化了。