Adjacent sections immunostained with antibodies to CGRP and 5-hydroxytryptamin (5-HT) proved the coexistance of CGRP and 5-HT in NEC and NEB. This finding suggests the possibility of functional interaction between the peptide and amine.

• 相邻切片法免疫双标记证明CGRP与5羟色胺(5-HT)共存于NEC和NEB中；说明二者在功能上可能具有相关性.