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LMU - HHSC 198 Ch6
Urinary System
Term | Definition |
---|---|
Amino acid | The basic building block for protein |
Ammonia | Toxic breakdown product of amino acids |
Bladder | Hollow sac that holds fluid |
Kidney | Organ of excretion |
Nephr/o | kidney (ex. Nephrology) |
Ren- | Kidney (ex. renal) |
Urea | End product of nitrogen metabolism |
Urethra | Canal leading from bladder to outside |
Ureter | Tube that connects kidney to the urinary bladder |
Urine | Fluid and dissolved substances excreted by kidney |
Ur/o | Urinary System |
Location of Left Kidney | Behind spleen |
Location of Right Kidney | Behind and below liver |
3 regions of kidney | Cortex Medulla Pelvis |
Cortex of Kidney | Contains about a million nephrons The basic filtration unit of the kidney |
Medulla of Kidney | Contains the collecting ducts which form papillary ducts, that enter into a calyx |
Pelvis of Kidney | Funnel shaped structure that the calyces go into and turns into the ureter |
Glomerular capsule is also known as (glomeruli) | The Bowman capsule |
T/F The glomerular capsule is permeable (glomeruli) | T |
The glomerulus is a network of (glomeruli) | Approximately 50 capilaries |
The loop of Henle is also called______ It does_______ | The nephron loop. It is part of the renal tubule where reabsorption occurs |
Filtrate entering the renal tubule contains | Water, urea, glucose, electrolytes, amino acids, and vitamins |
As the filtrate passes down the renal tubule, over ___% of the water is returned to the blood by reabsorption | 90% |
Urine consists of | Excess water, electrolytes, and urea |
Calyx (Calyces) | Funnel-shaped structure |
Cortex (Cortices) | Outer portion of an organ |
Hilium (Hila) | Part where nerves and blood vessels enter and leave an organ |
Nephron | Filtration unit of the kidney glomerulus + renal tubule |
Permeable Semipermeable Impermeable | Allowing passage of substance through a membrane. Freely permeable to water but not to solutes. When nothing is allowed passage |
Renin | Enzyme secreted by kidney that causes vasoconstriction |
Nephrolithiasis | Kidney Stones |
Calculus (Calculi) | Small stone |
Extracorporeal | Extra- outside -corpor/e body -al pertaining to Outside of the body |