Veins of the madial-caudal cervicalsegment of the esophagus and trachea were drained into the esophatracheal vein trunk.
回流食管和气管颈段中后部血液的静脉汇入食管气管静脉干；
2
Objective To study different types of iatrogenic injury to the cervicalsegment of recurrent laryngeal nerve (RLN) in rabbits.
目的研究不同类型医源性损伤对家兔颈段喉返神经（RLN）功能的影响。
3
Objective: To explore the causes of misdiagnosis, operative approaches and skills of the high cervicalsegment tumors in and out spinal canal and the choice of operative position.