ansa cervicalis的用法和样例：
例句
- The nerves of the infrahyoid neuro-muscular pedicle are mainly derived from the superior root of the ansa cervicalis.
舌骨下肌群神经肌蒂的神经主要来自颈袢上根。 - The delayedly reinnervated thyroarytenoid muscle changed its speed and tension in the direction of the main branch of ansa cervicalis.
提示长期失神经支配的甲杓肌颈袢主支修复术后仍能不同程度地恢复肌力，其收缩速度受颈袢控制。
