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Pituitary

22.3--Hypothalamus and Pituitary

TermDefinition
HGH - Human Growth Hormone Target: Liver and Other tissue. FUnctions: Stimulates liver, muscle, cartilage, and bone to synthesize and secrete growth factors for body cells, protein synth, lipolysis, and elevation of blood glucose
TSH - Thyroid Stimulating Hormone Synth and secretion of thyroid hormones by thyroid gland
FSH - Follicle Stimulating Hormone Target: Testes and Ovaries; Action: Females - initiates oocyte production and estrogen secretion. Males - Sperm
LH - Luteinizing Hormone Target: Testes and Ovaries; Action: Females - Secretion of estrogens, progesterone, ovulation, formation of corpus luteum. Males - Stimulates testes to produce testosterone.
PRL - Prolactin Promotes milk secretion; mammary glands
Adrenocorticotropic Hormone (ACTH) Adrenal Cortex; Stimulates secretion of glucocorticoids
MSH - Melanocyte Stimulating Hormone Can cause skin darkening
Hypothalamohypophyseal Tract Takes hormones from neurosecretory cell body in hypothalamus to trigger exocytosis of vesicles and release of hormone.
Neurosecretory Cell Bodies In Hypothalamus; Produce hormones of posterior pituitary. Transfer via vesicle exocytosis
Oxytocin (OT) Target: Uterus and Mammary Glands. Action: Stimulates contraction of smooth muscle fibers of uterus during childbirrth and milk ejection
ADH (Vasopressin) Target: Kidney, Sudoriferous Glands, Arterioles. Decreases water loss by decreasing urine volume, perspiration, and raises blood pressure by constricting arterioles.
Created by: 100000434525601
 

 



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