hormone | growth hormone | Luteinizing hormone | Growth hormone | Thyroid-stimulating hormone | Sex hormone-binding globulin | Parathyroid hormone | Maximum the Hormone | luteinizing hormone | Hormone-sensitive lipase | Growth Hormone (treatment) | Growth hormone deficiency |
His most significant contribution was the discovery that neurosecretory cells in the brain of the South American kissing bug, Rhodnius prolixus, secrete a crucial growth hormone, prothoracicotropic hormone (PTTH), which regulates the process of metamorphosis.