Question

write note on renal calculi

Answer 1

Renal calculi is also know as kidney stone.
When the amount of urine is filtering through kidneys sometimes the waste matrials very minute particles waste are settle down in kidney and form an tumour or which we know as renal caculi or kidney stone.
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Answer 2

A small, hard deposit that forms in the kidneys and is often painful when passed.

Kidney stones are hard deposits of minerals and acid salts that stick together in concentrated urine.

They can be painful when passing through the urinary tract, but usually don't cause permanent damage