adjective
renal
REE-nul/ˈriːnl/
Relating to the kidneys.
The diagram shows the kidneys and a close-up of renal tissue.

Etymology
Renal simply turns the Latin word for a kidney into an adjective meaning belonging to the kidneys. The kidney word's deeper origin is uncertain.
In context
sleep can also affect the renal nerves in our kidneys those nerves are what regulate our body keeping sodium and water
More examples
- Blood tests help the doctor assess renal function.
- The renal arteries carry blood to the kidneys.
- She follows a special diet to manage her renal disease.
Forms
renal
Similar words
- kidney
- The everyday alternative before nouns such as disease or function.