Term
| the left usually ____ cm higher than the right. masses of ________ tissue surround the kidneys and hold them in place |
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Definition
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Term
| the hollow chamber in the convex side with an entrance called the hilum |
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Definition
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Term
| where blood vessels, nerves , lymphatic vessels and ureter pass thru |
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Definition
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Term
| a sac at the end of the ureter with in the renal sinus |
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Definition
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Term
| renal pelvis subdivides into tubes called |
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Definition
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Term
| the inner portion of the kidney composed of renal pyramids and appear striated |
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Definition
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Term
| the outer portion of the kidney, outside of the medulla, and form renal columns b/t medulla |
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Definition
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Term
| functional unit of the kidney in the renal cortex |
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Definition
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Term
| layer completely surrounding the kidney |
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Definition
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Term
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Definition
1. regulate the volume composition and pH of body fluids
2. removes metabolic wastes from blood
3. combine waste with water and electrolytes to form urine
4. excrete urine outside |
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Term
| kidneys secrete the hormone ______ to help control the rate of RBC formation and the _______ _______ to help regulate blood pressure |
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Definition
erythropoietin
enzyme renin |
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Term
| arise from abdominal aorta and supply blood to the kidneys. enter the kidney through the hilum and give off several sets of branches |
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Definition
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Term
| joins the inferior vena cava to return venous blood, runs next to the renal artery |
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Definition
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Term
| portion of the nephron containing blood capillaries called the glomerulus |
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Definition
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Term
| portion of the nephron where fluid flows through on its way out of the body |
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Definition
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Term
| cluster of capillaries in the renal corpuscle that filter fluid the first step in the urine formation |
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Definition
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Term
| the sac like structure that surrounds the glomerulus |
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Definition
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Term
| glomerular capillary walls have tiny openings called |
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Definition
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Term
| water dissolved substances are filtered out |
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Definition
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Term
| the fluid that is filtrated |
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Definition
| only a small amount is excreted in urine, most is reabsorbed and reenters the plasma |
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Term
| the process that transports substances out of the tubular fluid thru the epithelium of the renal tubule and into the blood of the capillaries, gluclose is high in the filtrate and absent in urine |
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Definition
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Term
| by product of amino acid catabolism it enters the renal tubules by filtration and about 50% is reabsorbed remainder is excreted in urine |
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Definition
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Term
| product of the metabolism of certain organic bases in nucleic acis most is reabsorbed and a small amount is secreted into the renal tubule for excretion in urine |
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Definition
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Term
| differs depending on dietary intake and physical activity |
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Definition
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Term
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Definition
1.95% water
2. urea
3. uric acid
4. amino acids
5. electrolytes |
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Term
| pathway of urine after it forms in the nephron |
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Definition
1. nephron
2. collecting duct
3. renal papillae
4. minor calyces
5. major calyces
6. renal pelvis
7. ureters
8.urinary bladder
9. urethra |
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Term
| exiting point of the urine |
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Definition
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Term
| function about 25 cm long begins at the renal pelvis and attaches to the urinary bladder the muscular walls propel the urine by ______ waves which originate in the renal pelvis |
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Definition
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Term
| hollow distensible muscular sac the stores urine and forces it into the urethra when empty it has many folds and is it fills the walls become smooth |
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Definition
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Term
| the muscular wall of the urinary bladder sustained contraction of this muscle prevents the bladder from emptying until pressure with in the bladder increases to a certain level |
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Definition
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Term
| process that expels urine from the urinary bladder when the detrusor muscle abdominal wall and pelvice floor contract |
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Definition
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Term
| is composed of skeletal muscle which is under conscious control the spinchter usually remains contracted and relaxed when the urination process is initiated |
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Definition
| external urethral spincter |
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