
Human Growth Hormone (HGH) - Cleveland Clinic
Jun 21, 2022 · IGF-1 plays a critical role in preventing (inhibiting) the release of the HGH through a negative feedback loop by stimulating somatostatin and inhibiting GHRH release. However, …
Thyroid Hormone: What It Is & Function - Cleveland Clinic
Your body controls your thyroid hormone (T3 and T4) levels through a complex feedback loop. Your hypothalamus releases thyrotropin-releasing hormone (TRH), which triggers your …
Endocrine System: What It Is, Function, Organs & Diseases
Nov 22, 2023 · Growth and development. Sexual function. Reproduction. Sleep-wake cycle. Mood. Very small amounts of hormones can trigger significant responses and changes in your …
Prolactin: What It Is, Function & Levels - Cleveland Clinic
Dec 30, 2024 · Prolactin is one of a few hormones that has a positive feedback loop. This means that the release of prolactin stimulates your pituitary gland to release even more of it. Nipple …
Adrenocorticotropic Hormone (ACTH): What It Is & Function
Adrenocorticotropic hormone (ACTH) is a hormone your pituitary gland releases that triggers your adrenal glands to release cortisol, the “stress hormone.” If you’re having symptoms related to …
Hypothalamic-Pituitary-Adrenal (HPA) Axis: What It Is - Cleveland …
The HPA axis is meant to have a fine-tuned negative feedback loop: the cortisol in your body then triggers your hypothalamus to stop making CRH, ending the stress response. But experiencing …
Parathyroid Hormone: What It Is, Function & Normal Levels
Feb 17, 2025 · How does my body control parathyroid hormone levels? Your body controls your parathyroid hormone levels by identifying how much calcium is in your blood. This is known as …
Glucagon: What It Is, Function & Related Conditions - Cleveland …
Jan 21, 2025 · Glucagon is a hormone that your pancreas makes to help regulate your blood glucose (sugar) levels. Glucagon increases your blood sugar level and prevents it from …
Oxytocin: What It Is, Function & Effects - Cleveland Clinic
Most hormones create negative feedback loops after they’re released, meaning your body releases less of the hormone after it has its effect on your body. With uterine contractions in …
Follicle-Stimulating Hormone (FSH) - Cleveland Clinic
Jan 23, 2023 · Most often, higher-than-normal levels of follicle-stimulating hormone (FSH) are a sign of an issue in the ovaries or testes (gonads). If your gonads can’t create enough …