| KF | Kenner-fecal medium; kidney function; Klippel-Feil [syndrome] |
|---|---|
| KGM | keratinocyte growth medium |
| K-MCM | potassium-containing minimum capacitation medium |
| KR | key-ridge; Kopper Reppart [medium] |
| L-variant | a defective bacterial variant that can multiply on hypertonic medium |