Chapter 9, Urinary System, pages 294 & 295 Flashcards

1
Q

Bladder

A

Organ where the urine collects before being excreted from the body.

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2
Q

Bowman’s capsule

A

Capsule surrounding a glomerulus and serving as a collection site for urine.

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3
Q

Calices, calyces

A

Cup shaped structures in the renal pelvis for the collection of urine.

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4
Q

Cortex

A

Outer portion of the kidney.

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5
Q

Creatine

A

Substance found in urine; elevated levels may indicate muscular dystrophy.

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6
Q

Creatinine

A

A component of creatine

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7
Q

Filtration

A

Process of separating solids from a liquid by passing it through a porous substance.

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8
Q

Glomerulus

A

Group of capillaries and a nephron.

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9
Q

Hilum

A

Portion of the kidney where blood vessels and nerves enter and exit.

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10
Q

Kidney

A

Organ that forms urine and reabsorbs essential substances back into the bloodstream.

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11
Q

Meatus

A

External opening of a canal, such as the urethra. .

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12
Q

Medulla

A

Soft, central portion of the kidney.

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13
Q

Nephron

A

Functional unit of a kidney.

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14
Q

Prostate

A

Gland surrounding the urethra in the male; active in ejaculation of semen.

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15
Q

Reabsorption

A

Process of returning essential elements to the bloodstream after filtration.

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16
Q

Renal pelvis

A

Collecting area for urine in the center of the kidney.

17
Q

Renin

A

Enzyme produced in the kidneys to regulate the filtration rate of blood by increasing blood pressure as necessary.

18
Q

Retroperitoneal

A

Posterior to the peritoneum.

19
Q

Trigon

A

Triangular area at the base of the bladder through which the ureters enter and the urethra exits the bladder.

20
Q

Urea

A

Waste product of nitrogen metabolism excreted in normal adult urine.

21
Q

Ureter

A

One of two tubes that conduct urine from the kidney to the bladder.

22
Q

Urethra

A

Tube through which urine is transported from the bladder to the exterior of the body.

23
Q

Uric acid

A

Nitrogenous waste excreted in the urine.

24
Q

Urinary bladder

A

Bladder; organ where urine collects before being excreted from the body.

25
Urinary system
Body system that forms and excretes urine and helps in the reabsorption of essential substances.
26
Urine
Fluid excreted by the urinary system.