Nephrons
Glomerulus
Bowman's Capsule
Proximal Convoluted Tubule
Loop of Henle
Distal Convoluted Tubule
Collecting Ducts
Renal Pelvis
Filters waste: urea, salt & excess water (flushed out as urine)
Adrenal Gland (cortex)
Aldosterone (steroid hormone)
Increase sodium absorption = higher blood pressure
Signals colon and kidneys to put more sodium in bloodstream or release more potassium into urine
Kidneys & Colon
Renin
Angiotensin-II
Blood vessels, smooth muscles & adrenal cortex
- Controls blood pressure
- Maintains healthy levels of sodium & potassium
- Released in bloodstream when blood pressure is low
Kidney Stones
Deposition of dissolved minerals or insoluble salts on the inner lining of the kidney
Renal calculi
- Severe pain
- Nausea
- Fever/chills and
- Blood in your urine
Filtration
Reabsorption
Secretion
Excess urea is removed by hemodialysis
Blood is drained from whichever artery is convenient and is sent to the dialyzing unit
- Medication
- Dialysis & kidney transplant surgery