Literally meaning: “inflammation of pelvis”
Origin: Anc Greek
-ίτιδα/-itida (=-itis, suffix meaning “pertaining to” or “inflammation”.) It is feminine gender because it was used with feminine noun η νόσος/ e nosos /(=disease)
Pyelonephritis is an urinary tract infection that has reached the pelvis of the kidney. Chronic or severe infections may cause permanent kidney damage and lead to chronic kidney disease.