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Bio 20 > Exretory > Flashcards

Exretory Flashcards

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Biology 101 flashcards
1
Q

Define deamination

A

Removal of an amino group from an organic compound

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2
Q

Define urea

A

Nitrogen waste formed from two molecules of ammonia and one molecule of carbon dioxide

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3
Q

Define Uris acid

A

A waste product formed from the breakdown of nuclei acids

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4
Q

Define ureter

A

A tube that conducts urine from the kidney to the bladder

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5
Q

Define urethra

A

The tube that carries urine from the bladder to the exterior of the body

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6
Q

Define cortex

A

The outer layer of the kidney

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7
Q

Define medulla

A

The area insider of the cortex

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8
Q

Define renal pelvis

A

The hollow area where the kidney joins the ureter

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9
Q

Define nephron

A

A functional unit of the kidney

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10
Q

Define afferent arteriole

A

A small branch of the renal artery that carries blood to the glomerulus

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11
Q

Define glomerulus

A

The high pressure capillary bed that is the site of filtration

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12
Q

Define efferent arteriole

A

A small branch of the renal artery that carries blood away from the glomerulus to the peritubular capillaries

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13
Q

Define peritubular capillary

A

A member of the network of small blood vessels that surround the tubule of the nephron

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14
Q

Define Bowman’s capsule

A

The cup like structure that surrounds the glomerulus

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15
Q

Define proximal tubule

A

The section of the nephron joining the Bowman’s capsule with the loop of henle

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16
Q

Define loop of henle

A

The section of the tubule that carries filtrate from the proximal tubule to the distal tubule

17
Q

Define distal tubule

A

Conducts. Urine from the loop of henle to the collecting duct

18
Q

Define collecting duct

A

A tube that carries urine from nephrons to the renal pelvis

19
Q

Define threshold level

A

The maximum amount of a substance that can be moved across the nephron

20
Q

Define interstitial fluid

A

The fluid that surrounds the body cells

Bio 20 (5 decks)

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