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JustinJakubisinUrinary (Secretion (DEF- end stage, transport of solute…

- - - - Reabsorption in the Loop of Henle; Water is reabsorption by osmosis in the descending limb only.
        Na+ is pumped out of the ascending limb - Interstitial fluid becomes hypertonic
- - - - Kidney Structure
        paired, oval-shaped, retroperitoneal location (behind peritoneum against muscle), left one higher than the right
    - - Ureter Structure
        Paired, smooth muscle in wall which contracts to move urine down the tubes, muscle walls work by peristalsis action, contains some transitional epithelium tissue lining which allows it to change shape.
    - - Urinary bladder Structure
        trigone shaped arrangement with 3 openings, 2 ureters and the urethra; lining contains transitional epithelium which changes shape and allows the bladder to distend.
    - - Urethra Structure
        at the bladder/urethra junction is the internal sphincter, external sphincter, length is 3-4 cm in fmales; orifice above vaginal opening 20cm in males; goes through penis which also carries semen.