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Esdin LS 2 Lec 7 Endocrine

Lobes anterior 7 posterior 2 hypothalamus posterior

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Unformatted text preview: eases 9 hormones, 2 lobes (anterior (7), posterior (2)) Hypothalamus Posterior pituitary Anterior pituitary Neurohypophysis posterior pituitary •  Paraventricular nucleus and the supraoptic nucleus of the hypothalamus synthesize hormones that are stored in the terminals for later release –  Oxytocin smooth muscle contraction –  Vasopressin (antidiuretic to prevent water loss and a vasoconstrictor) 8 4/21/13 Neurohypophysis synthesized in the hypo, released in PP Hypothalamus Supraoptic cluster that makes ADH nucleus Paraventricular nucleus cluster that makes oxytocin Posterior pituitary neurons release hormones Hormone ADH Target cell Kidney tubules Oxytocin released during labor, allows milk during lactation Uterus mammary glands prevents water loss anterior pit. Adenohypophysis •  Releases six peptide hormones reproductive role, formation of sperm –  Follicle stimulating hormone (FSH) & luteinizing hormone (LH) –  Thyroid stimulating hormone (TSH) stimulates thyroid –  Adrenocorticotropic hormone (ACTH) stimulates adrenal cortex to release hormone –  Prolactin stimulates milk production and synthesis –  Growth hormone (GH) increases growth: acts on tissues 9 4/21/13 Adenohypophysis Hypothalamus Anterior pituitary Hormone FSH & LH Target cell Gonads TSH ACTH Prolactin Thyroid Adrenal cortex Mammary glands GH Liver, bones… Adenohypophysis PRL FSH & LH Mammary Testes in glands males TSH ACTH Ovaries Thyroid gland Adrenal co...
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