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10 Cards in this Set
- Front
- Back
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urinary system
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this body system is concerned with the removal of nitrogenous wastes
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perirenal fat capsules
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along with a transparent membrane known as the fibrous capsule, and the fibrous renal fascia, this fat deposit surrounds and holds the kidneys in place in the retroperitoneal
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ptosis
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this phenomenon is classified by the kidneys falling to an inferior position because the fatty material surrounding and supporting them may be too little in amount
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trigone
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the triangular region of the bladder delineated by three openings, 2 ureteral and the urethra.
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filtration
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this is the role of the glomerus, passive process in which a portion of the blood passes from the glomerular bed into the glomerular capsule.
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tubular reabsorption
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during this many of the filtrate components move through the tubule cells and return to the blood in the peritubular capillaries. this process can be passive but mostly is active and highly selective .
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tubular secretion
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substances such as hydrogen and potassium ions and creatine move either from the blood of the peritubular capillaries through the tubular cells or from the tubular cells in tho filtrate to be disposed of in the urine
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micturition
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is the process in which urine empties from the bladder. 2 sphincter muscles are involved, internal and external urethral sphincter
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micturition reflex
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after the bladder collects about 200- 300 ml of urine the stretching of the bladder will initiate stretch receptors, this initiates contractions this reflex is known as ...
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incontinence
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lack of voluntary control over the external sphincter. normal for children 2 years and younger. in adults and older children is abnnormal
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