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A&P Pituitary Gland Chapter 10

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Pituitary Gland
has anterior (secretes 6 hormones) & posterior (secretes 2 hormones) lobes. Stimulates growth, increases secretion of thyroid hormone, adrenal cortical hormones, estrogen, spermatogenesis.
Growth Hormone (GH)
in the anterior lobe & promotes protein synthesis which results in growth.
Thyroid Stimulating Hormone (TSH)
in the anterior lobe & increases secretion of thyroid hormone & size of thyroid gland
Follicle Stimulating Hormone (FSH)
in the anterior lobe & a gonadotropic that stimulates the development of ova in the ovaries & sperm in the testes & stimulates the production of estrogen in females. It works WITH the LH
Adrenocoricotropic HormoneACTH)
in the anterior lobe & Stress & belly fat are related to it. It increases secretion of adrenaicortical hormones, especially glucocorticoids such as cortisol
Luteinizing Hormone (LH)
in the anterior lobe & another gonadotropic that causes ovulation, progesterone production in females & testosterone in males. It works WITH the FSH
Prolactin
in the anterior lobe & stimulates milk production. Promotes the development of glandular tissue in the breast.
Oxcytocin
in the posterior lobe & increases uterine muscle to contract, It stimulates ejection of milk from the mammary gland.
Antidiuretic Hormone (ADH)
in the posterior lobe & increases water reabsorption (decreases water lost in urine)