It has also been found that the two fibre components of the mixed muscle biventer cervicis of the chick show opposite changes of atrophy and hypertrophy after denervation. 此外又证明了鸡颈二腹肌中两种纤维成分在去神经后出现萎缩和肥大两种相反的变化。
When the transmission was blocked by Sin, the ACh sensitivity of the chick biventer cervicis muscle was reduced. 在小鸡颈二腹肌实验,青藤碱可降低肌肉对ACh的敏感性。