Gastrin releasing peptide ( GRP )-, somatostatin-, 5 -hydroxytryp-tamine ( 5 -HT ) -and avian pancreatic polypeptide ( APP ) -immunoreactive cells were observed in the proventriculus of Phalacrocorax carbo ( Linnaeus ) .

• 在鸬鹚(Phalacrocorax carbo Linnaeus)(俗称鱼膺)的前胃中发现了促胃泌素释放多肽(GRP)-、生长抑素(Somatostatin)-、5-羟色胺(5-HT)-和禽胰多肽(APP)-免疫反应细胞。