我们在制作教学标本过程中，在一男性成人尸体的右侧颈部发现一异常肌———锁骨胸骨舌骨肌。此肌以两个头分别起于锁骨和胸骨。锁骨头：起自锁骨体中部后面，肌腹长４０ｍｍ，宽２５ｍｍ，厚１ｍｍ。胸骨头：起自锁骨胸骨端及胸骨柄的后面（正常胸骨舌骨肌起点处），肌腹... During the process of making teaching specimens, we found an abnormal muscle in the right neck of a male adult’s body --- clavicle sternohyoid muscle. This muscle with two heads, respectively, from the clavicle and sternum. Clavicle: From the back of the middle of the body, the abdominal muscle length 40mm, width 25mm, thickness 1mm. Sternal head: from the back of the sternum and the sternum stem (normal sternal hyoid muscle starting point), abdominal muscle ...