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GnRH nudges the pituitary gland to produce luteinizing hormone (LH) and follicle-stimulating hormone (FSH). LH calls on the Leydig cells (also in the testes) to make testosterone.
They are glycoproteins. Then you have the signal. They stimulate release of pituitary hormones. They stimulate synthesis of pituitary hormones, stimulate release stored pituitary hormones, stimulate hyperplasia and hypertrophy of target cells and regulate their own receptors. Anterior pituitary produces prolactin, GH, TSH, ACTH, FSH, LH.
Follicle-stimulating hormone (FSH) is a gonadotropin, a glycoprotein polypeptide hormone. [1] FSH is synthesized and secreted by the gonadotropic cells of the anterior pituitary gland [2] and regulates the development, growth, pubertal maturation, and reproductive processes of the body.
Prolactin has a wide variety of effects. It stimulates the mammary glands to produce milk (): increased serum concentrations of prolactin during pregnancy cause enlargement of the mammary glands and prepare for milk production, which normally starts when levels of progesterone fall by the end of pregnancy and a suckling stimulus is present.
Low levels of testosterone and decreased estrogen can both lead to hot flashes because they both stimulate cortisol release. This increased cortisol tells the brain to turn its thermostat up." 10.
Endorphins are released from the pituitary gland, typically in response to pain, and can act in both the central nervous system (CNS) and the peripheral nervous system (PNS). In the PNS, β-endorphin is the primary endorphin released from the pituitary gland.
Lipostatic hypothesis: This hypothesis holds that adipose tissue produces a humoral signal that is proportionate to the amount of fat and acts on the hypothalamus to decrease food intake and increase energy output. It has been evident that a hormone leptin acts on the hypothalamus to decrease food intake and increase energy output.
The anterior pituitary (also called the adenohypophysis or pars anterior) is a major organ of the endocrine system.The anterior pituitary is the glandular, anterior lobe that together with the (posterior pituitary, or the neurohypophysis) makes up the pituitary gland (hypophysis) which, in humans, is located at the base of the brain, protruding off the bottom of the hypothalamus.