title: Evidence that TRH, somatostatin and substance P are present in neuro-secretory elements of the vertebrate retina.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000378:metabolism; D002417:Cattle; D002645:Chickens; D004524:Eels; D006168:Guinea Pigs; D000882:Haplorhini; D008253:Macaca mulatta; D009489:Neurosecretion; D011188:Potassium / Q000378:metabolism; D011817:Rabbits; D011863:Radioimmunoassay; D011892:Rana catesbeiana; D051381:Rats; D012160:Retina / Q000378:metabolism*; D013004:Somatostatin / Q000378:metabolism*; D013373:Substance P / Q000378:metabolism*; D009435:Synaptic Transmission; D013973:Thyrotropin-Releasing Hormone / Q000378:metabolism*
chemical_list: D013373:Substance P; D013004:Somatostatin; D013973:Thyrotropin-Releasing Hormone; D011188:Potassium; D002118:Calcium