Chap. 7- Vocabulary

Question 0

Calciferol

Answer 0

Active form of vitamin D ,secreted by kidney

Question 1

Arteriole

Answer 1

Small artery

Question 2

Calyx or calix

Calyces or calices

Answer 2

Cup-like collecting region of the renal pelvis. The term comes from a cup or case surrounding a flower bud

Question 3

Catheter

Answer 3

Tube for injecting or removing fluids

Question 4

Cortex

Answer 4

Outer region of organ; the renal cortex is the outer region of the kidney

Question 5

Creatinine

Answer 5

Nitrogenous waste excreted in urine

Question 6

Electrolyte

Answer 6

Chemical element that carries an electrical charge when dissolve in water

Question 7

Erythropoietin (EPO)

Answer 7

Hormone secreted by the kidney to stimulate the production of red blood cells by bone marrow

Question 8

Filtration

Answer 8

Process whereby some substances , but not all,pass through a filter

Question 9

Glomerular capsule

Answer 9

Enclosing structure surrounding each glomerulus

Question 10

Glomerulus

Answer 10

Tiny ball of capillaries (microscopic blood vessels) in the kidney

Question 11

Hilum

Answer 11

Depression in an organ where blood vessels and nerves enter and leave

Question 12

Kidney

Answer 12

One of two bean-shaped organs on either side of the backbone in the lumbar region; it filters nitrogenous wastes from the bloodstream to form urine

Question 13

Meatus

Answer 13

Opening or canal

Question 14

Medulla

Answer 14

Inner region of an organ

Question 15

Nephron

Answer 15

Combination of glomerulus and renal tubule where filtration

Question 16

Nitrogenous waste

Answer 16

Substance containing nitrogen and excreted in urine. Ex. Urea,uric acid , and creatinine

Question 17

Potassium (K+)

Answer 17

Electrolyte regulated by the kidney so that a proper concentration is maintained within the blood

Question 18

Reabsorption

Answer 18

Process whereby renal tubules return materials necessary to the body back into the bloodstream

Question 19

Renal artery

Answer 19

Blood vessel that carries blood to the kidney

Question 20

Renal pelvis

Answer 20

Central collecting region in the kidney

Question 21

Renal tubule

Answer 21

Microscopic tube in the kidney where urine is formed after filtration

Question 22

Renal vein

Answer 22

Blood vessel that carries blood away from the kidney and toward the heart

Question 23

Renin

Answer 23

Hormone secreted by the kidney, it raises blood pressure by influencing vasoconstriction ( narrowing of blood vessels )

Question 24

Sodium ( N+)

Answer 24

Electrolyte regulated in the blood and urine by the kidney, needed for proper transmission of nerve impulse

Question 25

Trigone

Answer 25

Triangular area in the urinary bladder

Question 26

Urea

Answer 26

Major nitrogenous waste excreted in urine

Question 27

Ureter

Answer 27

One of the tubes leading from the kidney to the unitary bladder

Question 28

Urethra

Answer 28

Tube leading from the urinary bladder to the outside of the body

Question 29

Uric acid

Answer 29

Nitrogenous waste excreted in the urine

Question 30

Urinary bladder

Answer 30

Hollow, muscular sac the holds and stores urine

Question 31

Urination ( voiding )

Answer 31

Process of expelling urine,also called micturition