An immunohistochemical study on the gastro-entero-endocrine cells of the pond tortoise (Amyda sinensis)

animal tissues appareil digestif biochemistry biochimie cell structure digestive juices digestive system endocrine glands estructura celular gastrin gastrina gastrine glande endocrine glucagon immune response immune serum immunologie immunology immunserum insulin insulina insuline jugos digestivos sistema digestivo somatostatin somatostatina somatostatine structure cellulaire suc digestif suero inmune tejidos animales tissu animal tortue terrestre