What does 肾炎 (shènyán) mean in English?

Card 2278HSK Level 42278/3571
CARD2278
PROGRESS64%
肾炎
腎炎
shènyán
nephritis(Noun)

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d