NADPH-diaphorase histochemistry was used to study the distribution of NOS-positive neurons and in the cervical esophagus in Alligator Sinensis.

• 本实验采用还原型尼克酰胺腺嘌呤二核苷酸脱氢酶(NADPH-d)方法,观察扬子鳄食管颈段NOS阳性神经元和神经纤维的分布。