Peptides in profusion.
D000818:Animals; D002766:Cholecystokinin / Q000502:physiology; D004723:Endorphins / Q000032:analysis; D007987:Gonadotropin-Releasing Hormone / Q000502:physiology; D009419:Nerve Tissue Proteins / Q000032:analysis*; D018377:Neurotransmitter Agents / Q000032:analysis*; D010455:Peptides / Q000032:analysis*; D012160:Retina / Q000502:physiology; D013004:Somatostatin / Q000302:isolation & purification
D004723:Endorphins; D009419:Nerve Tissue Proteins; D018377:Neurotransmitter Agents; D010455:Peptides; D007987:Gonadotropin-Releasing Hormone; D013004:Somatostatin; D002766:Cholecystokinin