Kidney - Structure, Function And Disease Flashcards
What is the urinary system made up of?
Kidneys, ureters, urinary bladder and urethra
What are the 3 main functions of the urinary system?
Excretion
Elimination
Homeostatic regulation
What is excretion and elimination in the urinary system?
Excretion - The removal of waster products from bodily fluids/blood
Elimination - the removal of these waste products in the form on of urine
What homeostatic involvement does the urinary system have?
Regulating blood volume and blood pressure by adjusting how much water is in your blood
Regulating plasma concentrations of ions
Stabilises blood pH
Conserves valuable nutrients
Assists the liver
How many kidneys do we have?
2
Where are the kidneys located?
Posteriorly either side of the vertebral column level with T12-L3
Where is the suprarenal gland located on the kidney?
It is located at the apex of each kidney
What colour and shape are kidneys?
Reddish brown colour and shaped like a kidney bean
What are kidneys suspended by?
They hang suspended by collagen fibres of the renal fascia
What is the working part of the kidney embedded in?
A thick layer of fat ( perinephric fat capsule)
What 2 parts make up the kidney?
Renal cortex and renal medullary
What is the renal cortex?
The outer part of the kidney
What are the projections of the renal cortex that extend down between renal pyramids called?
Cortical columns
Where does ultrafiltration occur?
In the renal cortex
What part of the kidney contains the glomeruli?
Renal cortex
What is the renal medulla?
Inner part of the kidney
Which part of the kidney contains the collecting ducts?
Renal medulla