endocrine system hw Word Scramble
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Question | Answer |
hypothalamus | nervous tissue. HORMONES: releasing, inhibiting, antidiuretic, oxytocin |
releasing hormone | stimulates anterior pituitary gland to RELEASE a hormone |
inhibiting hormone | stimulates anterior pituitary gland to STOP releasing a hormone |
antidiuretic hormone ADH | stimulates kidneys to reabsorb h2o and stimulates blood vessles to vasoconstrict -> increases blood pressure |
oxytocin OT | stimulates uterus to contract (labor), stimulates myoepithelial cells in breast to release milk, stimulates maternal behavior, stimulates prostate gland to release seminal fluid during sex |
anterior pituitary gland | HORMONES: Follicle stimulating, Luteinizing, Adrenocorticotropic, Thyroid stimulating, Prolactin, Growth Hormone. FLAT PG |
FSH follicle stimulating | stimulates testes for sperm production and maturation, stimulates ovaries for growth of ovarian follicles (protects egg), stimulates estrogen |
luteinizing | stimulates testes to secrete testosterone, stimulates ovaries to ovulate and secrete progesterone (pregnancy) |
posterior pituitary gland posterior pituitary gland | histology: myelinated axons from hypothalamus. RELEASES hormones (doesn't produce): oxytocin and ADH antidiuretic |
adrenocorticotropic ACTH | stimulates adrenal gland to release cortisol |
thyroid stimulating TSH | stimulates thyroid to release thyroid hormone (duh) |
prolactin PRL | stimulates mammary gland to produce milk and stimulates testes to be sensitive to LH (luteinizing h) |
Growth H GH | stimulates liver to produce insulin-> stimulates growth plate. stimulates protein synthesis and breakdown of fats. |
thyroid gland | Histology: follicular cells simp cuboidal, secrete thyroid h, colloid fluid in center has thyroid h, parafollicular cells secrete calcitonin. Hormones: Thyroid and Calcitonin |
T3 T4 thyroid hormone | increases metabolism neccessary for growth, stimulates GH, brain development |
calcitonin CT | Stimulates osteoblasts and inhibits osteoclasts which decreases blood calcium levels |
parathyroid gland | histology: principal cells produce PTH, oxyphil cells unknown function. HORMONE: parathyroid H |
parathyroid hormone PTH | stimulates osteoclasts INCREASES Ca levels, stimulates kidneys to reabsorb Ca, stimulates synthesis of Calcitrol (active form of vitamin D) |
adrenal cortex | 3 zonas: glomerulosa: bulb cells make mineralocorticoids. fasciculata: cords of lipid rich cells that make glucocorticoids. reticularis: branching cells make gonadocorticoids. |
cortisol/cortisone/corticosterone: glucocorticoids | cope w stress by stimulating production of glucose from fats. high levels can reduce swelling and inhibit immune system |
aldosterone: mineralocorticoid | regulates salt levels by stimulating kidneys to reabsorb Na if BP drops |
androgens: gonadocorticoids | stimulate protein synthesis in sex organ cells |
adrenal medulla | chromaffin cells that secrete NE and EPI |
EPI epinephrine and NE norepinephrine | stimulated by sympathetic division of ANS and have longer effects of increased: heart rate, breathing, glucose levels, pupil diameter |
pancreas | both exocrine and endocrine cells. pancreatic islets with simp cuboidal cells around that secrete digestive enzymes (exocrine). hormones: glucagon and insulin |
glucagon | increases blood glucose levels during fasting and starvation |
insulin | decreases blood glucose levels, stimulates body cells to take up glucose |
Created by:
loraeo
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