Term
| functions of urinary system |
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Definition
1) eliminates wastes from body
2) regulates water, electrolyte, and acid-base balance of blood
3) regulates blood volume and blood pressure |
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Term
| structures of the urinary system |
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Definition
| kidneys, ureters, urinary bladder, urethra |
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Term
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Definition
| helps maintain homeostasis by controlling the composition, volume, pressure, and pH of blood |
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Term
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Definition
| located between T12 and L3 |
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Term
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Definition
| right kidney is lower than the left because of the liver |
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Term
| major structures of the kidneys (gross anatomy) |
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Definition
| hilus, renal cortex, renal medulla, renal calyces, and renal pelvis |
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Term
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Definition
| area in which the ureters, nerves, lymphocytes, and blood vessels enter and exit the kidneys |
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Term
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Definition
| superficial layer of the kidney |
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Term
| location of renal medulla |
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Definition
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Term
| renal medulla is formed by |
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Definition
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Term
| each renal pyramid contains a |
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Definition
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Term
| function of major and minor calyces |
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Definition
| drain urine into the renal pelvis |
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Term
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Definition
| funnel shaped tube that drains urine into ureter |
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Term
| oxygenated blood is carried to the kidneys via |
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Definition
| renal arteries (branch off abdominal aorta) |
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Term
| deoxygenated blood is carried away from the kidneys via |
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Definition
| renal veins (empty into IVC) |
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Term
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Definition
| microscopic structures contained in the kidneys |
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Term
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Definition
maintain homeostasis of blood by
1) getting rid of wastes
2) returning needed materials to blood |
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Term
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Definition
1) renal corpuscle
2) renal tubule |
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Term
| renal corpuscle is composed of |
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Definition
| glomerular capsule and glomerulus |
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Term
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Definition
| enlarged end of a nephron |
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Term
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Definition
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Term
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Definition
| filtered substances in the glomerular capsule |
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Term
| renal tubule is composed of |
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Definition
| proximal tubule, loop of Henle, and distal tubule |
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Term
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Definition
| portion of the renal tubule that receives filtrate from the glomerular capsule |
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Term
| location of loop of Henle |
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Definition
| center portion of the renal tubule |
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Term
| function of loop of Henle |
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Definition
| receives filtrate from the proximal tubule |
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Term
| loop of Henle consists of |
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Definition
| descending limb and ascending limb |
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Term
| location of distal tubule |
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Definition
| last portion of the renal tubule |
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Term
| function of distal tubule |
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Definition
| receives filtrate from the loop of Henle and drains filtrate into the collecting ducts |
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Term
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Definition
| union of collecting ducts (that drain into minor calyces) |
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Term
| blood vessels associated with the nephrons |
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Definition
1) afferent and efferent arterioles
2) peritubular capillaries
3) vasa recta |
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Term
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Definition
| carries blood into glomerulus |
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Term
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Definition
| carries blood out of the glomerulus |
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Term
| efferent arteriole gives rise to |
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Definition
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Term
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Definition
| surround the proximal and distal convoluted tubules |
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Term
| peritubular capillaries give rise to |
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Definition
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Term
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Definition
| surround the loop of Henle of juxtamedullary nephrons |
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Term
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Definition
| transport urine from kidneys to urinary bladder |
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Term
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Definition
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Term
| function of urinary bladder |
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Definition
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Term
| lining of urinary bladder |
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Definition
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Term
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Definition
| transports urine from the bladder to the outside of the body |
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Term
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Definition
| stratified or pseudostratified columnar epithelium |
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Term
| average capacity of a bladder |
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Definition
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Term
| what happens when urine level reaches 200 to 400 mL |
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Definition
| stretch receptors in the wall of the bladder send AP to the brain |
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Term
| AP sent to the brain cause |
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Definition
1) contraction of detrussor muscle (smooth muscle)
2) relaxation of internal urethral sphincter (smooth muscle) |
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Term
| what type of muscle is external urethral sphincter |
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Definition
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Term
| male urethra (description) |
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Definition
| longer than the female urethra (15-20 cm) and transports both urine and semen |
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