| A | B |
|---|
| ADH | antidiuretic hormone |
| angiotensin | a substance that raises bood pressure |
| Bowman's capsule | the cup shaped structure st the beginning of the nephron that surrounds the glomerulus |
| calyx | a cuplike cavity in the pelvis of the kidney |
| erythropoietin | a hormone produced by the kidneys that stimulates red blood cell production |
| glomerular filtration | passage of fluid and dissolved materials from the blood into the nephron |
| glomerulus | the cluster of capillaries within Bowman's capsule |
| kidney | an organ of excretion |
| micturition | the voiding of urine; urination |
| nephron | a microscopic functional unit of the kidney |
| renal cortex | the outer portion of the kidney |
| renal medulla | the inner portion of the kidney |
| renal pelvis | the expanded upper end of the ureter that receives urine from the kidney |
| renal pyramid | a triangular structure in the medulla of the kidney composed of the loops and collecting tubules of the nephrons |
| renal tubule | the tubular portion of the nephron |
| renin | an enzyme produced by the kidneys that activates angiotensin in the blood |
| tubular reabsorption | the return of substances from the glomerular filtrate to the blood through the peritubular capillaries |
| urea | the main nitrogen waste product of the urine |
| ureter | the tube that carries urine from the kidney to the bladder |
| urethra | the tube that carries urine from the bladder to the outside |
