| Abbreviations | Meaning |
 | MKTC | Monkey Kidney Tissue Culture |
 | MLGN | Minimal Lesion Glomerulonephritis |
 | MPGN | Membranoproliferative Glomerulonephritis |
 | MPK | Minipig Kidney Cell Line |
 | MSK | Medullary Sponge Kidney; Memorial Sloan-Kettering; Mitogen-activated S6 Kinase; Musculoskeletal |
 | MSPGN | Mesangial Proliferative Glomerulonephritis |
 | NEF, NEF | Nephritic Factor |
 | NEPH | Nephron; Nephritis; Nephrosis |
 | NF | Nephritic Factor |
 | NHK | Normal Human Kidney |
 | NIADDK | National Institute Of Arthritis, Diabetes, Digestive And Kidney Diseases |
 | NIDDK | National Institute Of Diabetes And Digestive And Kidney Diseases |
 | NKCA | National Kidney Cancer Association (USA) |
 | NRK | Normal Rat Kidney |
 | NSN | Nephrotoxic Serum Nephritis; Nicotine-stimulated Neurophysin |
 | NTN | Nephrotoxic Nephritis |
 | PAGMK | Primary African Green Monkey Kidney |
 | PAK | P21-activated Kinase; Pancreas After Kidney [transplantation] |
 | PAKY | Percutaneous Access To Kidney |
 | PAKY-RCM | Percutaneous Access To Kidney-remote Center Of Motion [computer-assisted Surgery] |
 | PCK | Phosphoenolpyruvate Carboxykinase; Polycystic Kidney |
 | PCKD | Polycystic Kidney Disease |
 | PDK | Primary Duck Kidney |
 | PERI | Around Or About (e.g. Perirenal = Around The Kidney) |
 | PGN | Proliferative Glomerulonephritis |
 | PHK | Phosphohexokinase; Phosphorylase Kinase; Postmortem Human Kidney |
 | PHN | Passive Heymann Nephritis |
 | PK | Pig Kidney |
 | PKD | Polycystic Kidney Disease; Proliferative Kidney Disease |
 | PKD-1 | Polycystic Kidney Disease Gene-1 |
 | PKD-2 | Polycystic Kidney Disease Gene-2 |
 | PKT | Pancreas-kidney Transplantation; Prausnitz-Küstner Test |
 | PMK | Primary Monkey Kidney |
 | PN | Pyelonephritis |
 | PRK | Photorefractive Keratectomy; Primary Rabbit Kidney |
 | PSAGN | Poststreptococcal Acute Glomerulonephritis |
 | PSGN | Post Streptococcal Glomerulonephritis |
 | PSGN | Poststreptococcal Glomerulonephritis |
 | RELANCA | Relation Between Antineutrophil Cytoplasm Autoantibody [ANCA] Levels And Relapses Of ANCA-associated Glomerulonephritis And Vasculitis |
 | RHMK | Rhesus Monkey Kidney |
 | RHMKK | Rhesus Monkey Kidney |
 | RK | Rabbit Kidney |
 | RK | Rabbit Kidney; Radial Keratotomy; Reductase Kinase; Rhodopsin Kinase; Right Kidney |
 | RKV | Rabbit Kidney Vacuolating [virus] |
 | RMK | Rhesus Monkey Kidney |
 | RPCGN | Rapidly Progressive Crescenting Glomerulonephritis |
 | RPGN | Rapidly Progressive Glomerulonephritis |
 | RTK | Receptor-tyrosine Kinase: Rhabdoid Tumor Of The Kidney |
 | RTK | Receptor-tyrosine Kinase; Rhabdoid Tumor Of The Kidney |
 | SK | Swine Kidney |