| K cell | killer cell |
|---|---|
| K nail | Kuntscher nail |
| K wire | Kirschner wire |
| K+ | Potassium; Electrolyte |
| K-F Ring | Kayser-Fleischer Ring |
| K-MCM | potassium-containing minimum capacitation medium |
| K-MSV | Kirsten murine sarcoma virus |
| K-P | Kaiser-Permanente [diet] |
| K-S | Kearns-Sayre [syndrome] |
| K-XRF | K x-ray fluorescence |