Endocrinology and Nutrition

Endocrinology and Nutrition
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  Hypothalamus:   The portion of the brain that maintains the body’s  internal balance (homeostasis).   The hypothalamus is the link between the endocrine and nervous systems.   The hypothalamus produces releasing and inhibiting hormones, which stop andstart the production of other hormones throughout the body.   Hypothalamus controls:   Heart rate and blood pressure   Body temperature   Fluid and electrolyte balance, including thirst   Appetite and body weight   Glandular secretions of the stomach and intestines   Production of substances that influence the pituitary gland to release hormones   Sleep cycles    The hypothalamus is involved in many functions of the autonomic nervoussystem, as it receives information from nearly all parts of the nervous system.As such, it is considered the link between the nervous system and the endocrinesystem. Anatomy of     Hypothalamus:   The hypothalamus is located below the thalamus (a part of the brain that relayssensory information) and above the pituitary gland and brain stem. It is aboutthe size of an almond.  Hormones of the Hypothalamus:   The hypothalamus is highly involved in pituitary gland function. When itreceives a signal from the nervous system, the hypothalamus secretessubstances known as neurohormones that start and stop the secretion of pituitary hormones.   Primary hormones secreted by the hypothalamus include: Anti-diuretic rele   asing hormone (ADRH):   This hormone increases water absorption into the blood by the kidneys. Corticotropin-r   eleasing hormone (CRH):   CRH sends a message to the anterior pituitary gland to stimulate the adrenalglands to release corticosteroids, which help regulate metabolism and immuneresponse. Gonadotropin-releasi   ng hormone (GnRH):   GnRH stimulates the anterior pituitary to release follicle stimulating hormone(FSH) and luteinizing hormone (LH), which work together to ensure normalfunctioning of the ovaries and testes.  Growth hormone-releasing hormone (GHRH) or growthhormone-inhibiting hormone (GHIH):   GHRH prompts the anterior pituitary to release growth hormone (GH); GHIHhas the opposite effect. In children, GH is essential to maintaining a healthybody composition. In adults, it aids healthy bone and muscle mass and affectsfat distribution. Oxytocin:   Oxytocin is synthesized is in hypothalamus and involved in a variety of processes like body temperature, sleep cycles, and the release of breastmilk.

Kepemimpinan Islam

Oct 14, 2019


Oct 14, 2019
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