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animal physiology part 3, exocrine- out of the body, by tubules or…
animal physiology part 3
endocrine system (45)
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endocrine glands
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pituitary
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follicle stimulating, leutenizing
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adrenal
outer part
mineralocorticoids- regulate minerals, sodium, potassium
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inner part
epinephrine, norepinephrine- triggers fight or flight
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gonads
ovaries
estrogen- female development, stimulates follicle development
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urinary system (44)
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nephron
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Bowmans capsule- blind end of the tubule forms a cup shaped swelling, surrounds the glomerulus
proximal tubule- Reabsorption in the proximal tubule is critical for the recapture of ions, water, and valuable nutrients from the huge volume of initial filtrate
loop of henle- reduces filtrate volume via distinct stages of water and salt movement. In the first portion of the loop, the descending limb, numerous water channels formed by aquaporin proteins make the transport epithelium freely permeable to water
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collecting duct- processes the filtrate into urine, which it carries to the renal pelvis
ascending loop of henle- The filtrate reaches the tip of the loop and then returns to the cortex in the ascending limb
hormonal regulation
antidiuretic hormone- promotes water retention by the kidneys, produced in the hypothalamus and released from the posterior pituitary
renin-angiotensin-aldosterone system- responds to the drop in blood volume and pressure by increasing water and Na+ reabsorption
atrial natriuretic peptide- A peptide hormone secreted by cells of the atria of the heart in response to high blood pressure. ANP’s effects on the kidney alter ion and water movement and reduce blood pressure
exocrine- out of the body, by tubules or directly
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