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Excretory System
All Vocab Needed for Quizzes and Tests
| Term | Definition |
|---|---|
| Renal Pelvis | flat like cavity that continues on with ureters |
| Ureter | tubes running from the kidneys to the bladder |
| Urinary Bladder | a place for holding/storing urine |
| ADH (antidiuirectic hormone) | hormone that tells kidneys how much water to conserve |
| Aldosterone | hormone that helps regulate sodium and potassium levels |
| Urea | waste product found in urine |
| Creatine | helps to provide energy for muscles by use of ATP |
| Uric Acid | a harmful acid passed out by urine |
| Characteristics of Urine | yellow, slightly acidic, sodium and potassium ions |
| Micturition | the discharge of urine from the bladder |
| Voiding | aka micturition// emptying of bladder |
| Urethra | tube running from bladder to outside |
| Incontinence | lack of control over urine |
| Renal Cortex | Outer region of kidney |
| Renal Medulla | dark-red inside layer |
| Medullary Pyramids | triangular regions near outside of kidney |
| Calcyes | cup shaped area that encloses the apex of pyramids |
| renal artery | feeds blood into kidneys |
| renal vein | filtered blood draining from kidneys |
| nephron | structural and functional unit of the kidneys |
| Glomerulus (Bowman's Capsule) | knot of capillaries |
| Filtration | mass movement of water to help clean out kidneys |
| Filtrate | blood plasma without proteins or blood |
| Reabsorption | mass movement of water absorbed back up to plasma and collecting things that were taken too much of |
| Secretion | last chance to dump out any harmful chemicals or drugs |
| Urochrome | destroyed hemoglobin that makes pee yellow |
| Glycosuria | too much glucose found in urine |
| Proteinuria | physical extersion such as pregnancy |
| Pyuria | urinary tract infection |
| Hematuria | bleeding in urinary tract |
| Hemoglobinuria | transfusion reaction |
| Billirubinuria | hepatitis |
| Peristalisis | involuntary relaxation of muscles |
| bladder mucosa | blocks urine from back flowing into the bladder |
| transitional epithelium | allows bladder to stretch |
| internal | involuntary |
| external | vountary |
| Renal Calculi | kidney stones |
| Incontinence | unable to control external sphincter |
| Intracellular Fluid | 2/3 of total body fluid-found in living cells |
| Extracellular Fluid | 1/3 of total body fluid-found in outside cells |
| 3 methods of maintaining acid-base balance? | Buffers, Respiratory System, Kidneys |
| how does alcohol act as a diuretic? | alcohol decreases ADH which doesn't allow the kidneys to absorb as much water |
Created by:
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