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The pituitary gland or hypophysis is an endocrine gland in vertebrates. In humans, the pituitary gland is located at the base of the brain, protruding off the bottom of the hypothalamus. The human pituitary gland is oval shaped, about 1 cm in diameter, 0.5–1 gram (0.018–0.035 oz) in weight on average, and about the size of a kidney bean. [2 ...
Renal physiology (Latin renes, "kidneys") is the study of the physiology of the kidney. This encompasses all functions of the kidney, including maintenance of acid-base balance; regulation of fluid balance; regulation of sodium, potassium, and other electrolytes; clearance of toxins; absorption of glucose, amino acids, and other small molecules ...
Pituitary gland, brain: Adrenocorticotropic hormone secretion in response to stress; [44] social interpretation of olfactory cues [45] AVPR2: Adenylate cyclase/cAMP: Basolateral membrane of the cells lining the collecting ducts of the kidneys (especially the cortical and outer medullary collecting ducts) Insertion of aquaporin-2 (AQP2) channels ...
The osmoreceptors of the hypothalamus respond to an increase in the osmolarity of the blood plasma, as a result of which the secretion of vasopressin by the posterior pituitary gland is stimulated, and thirst also arises. The kidneys respond via receptors to increased levels of vasopressin by increasing water reabsorption. As a result, plasma ...
The endocrine system is a network of glands and organs located throughout the body. It is similar to the nervous system in that it plays a vital role in controlling and regulating many of the body's functions. Endocrine glands are ductless glands of the endocrine system that secrete their products, hormones, directly into the blood.
The pituitary gland (or hypophysis) is an endocrine gland about the size of a pea and weighing 0.5 grams (0.018 oz) in humans. It is a protrusion off the bottom of the hypothalamus at the base of the brain, and rests in a small, bony cavity (sella turcica) covered by a dural fold (diaphragma sellae).
By stimulating GnRH release, kisspeptin indirectly promotes the secretion of LH and FSH from the pituitary gland. Two main populations of kisspeptin neurons have been identified in the hypothalamus: one in the arcuate nucleus (ARC) and another in the anteroventral periventricular nucleus (AVPV) in rodents, or the preoptic area (POA) in humans. [7]
The blood vessels carry the peptides to the anterior pituitary gland, where they regulate the secretion of hormones into the systemic circulation. The parvocellular neurosecretory cells include those that make: Corticotropin-releasing hormone (CRH), which regulates ACTH secretion from the anterior pituitary gland