ne·phrol·o·gy 
(nə-frŏlə-jē)
(nə-frŏlə-jē)n.
The branch of medicine that deals with the diagnosis and treatment of diseases and disorders of the kidneys.
ne·phrolo·gist n.
- countercurrent
- countercurrently
- countercyclical
- counterdemonstration
- counterdemonstrator
- counterespionage
- counterexample
- counterfactual
- counterfeit
- counterfeiter
- counterfoil
- counterforce
- counterglow
- counterinsurgency
- counterinsurgent
- counterintelligence
- counterintuition
- counterintuitive
- counterintuitively
- counterirritant
- counterirritation
- counterman
- countermand
- countermarch
- countermeasure