trochlearis

A noun referring to either of the two cranial nerves on either side that control the superior oblique muscles of the eyes.

• 🇨🇳滑车神经，是第四对脑神经，支配上斜肌，控制眼球向下和向内的运动。

1. Cranial nerve C2 formal medical

   Either of the two cranial nerves (the fourth cranial nerve) that innervate the superior oblique muscle of the eye, controlling eye movement.

   • The trochlearis nerve is responsible for rotating the eye downward and outward.
   • Damage to the trochlearis can cause double vision.
   • The surgeon carefully avoided the trochlearis during the operation.

   🇨🇳滑车神经