K
- K-complexWaveform seen during stage 2 NREM sleep
- Kainate receptorKainate receptors, or kainic acid receptors (KARs), are ionotropic receptors that respond
- Kainic acidChemical compound
- KallidinChemical compound
- KallikreinSubgroup of serine proteases
- Kåre BergKåre Ingmar Berg (1 March 1932 – 24 January 2009) was a Norwegian professor in medical gen
- Kari AlitaloKari Kustaa Alitalo (born 21 May 1952 in Kuopio) is a Finnish MD and a medical researcher.
- Kasabach–Merritt syndromeMedical condition
- KCNMB1Calcium-activated potassium channel subunit beta-1 is a protein that in humans is encoded
- KCNMB2Calcium-activated potassium channel subunit beta-2 is a protein that in humans is encoded
- KCNMB3Calcium-activated potassium channel subunit beta-3 is a protein that in humans is encoded
- KCNMB4Calcium-activated potassium channel subunit beta-4 is a protein that in humans is encoded
- Kell antigen systemHuman blood group classification
- KeratinocytePrimary type of cell found in the epidermis
- KeratohyalinKeratohyalin is a protein structure found in cytoplasmic granules of the keratinocytes in
- KetoacidosisMedical condition
- KetonuriaMedical condition
- Keyhole limpet hemocyaninMetalloprotein of giant keyhole limpets
- Kidd antigen systemHuman blood group classification
- Kidney developmentKidney development, or nephrogenesis, describes the embryologic origins of the kidney, a m
- Kiesselbach's plexusVascular network in the nose
- KinaestheticsStudy of body motion and perception of motion
- KinaseEnzyme catalyzing transfer of phosphate groups onto specific substrates
- Kindling (sedative–hypnotic withdrawal)Medical condition
- KininGroup of peptides
- Kinin–kallikrein systemHormone system
- KininogenClass of proteins
- Kininogen 1Protein-coding gene in the species Homo sapiens
- Kir2.1The Kir2.1 inward-rectifier potassium channel is a lipid-gated ion channel encoded by the
- Kiss-and-run fusionRelease of neurotransmitters in a synapse
- Knee bursaeFluid-filled sacs of the knee joint
- Korsakoff syndromeMental illness caused by a lack of thiamine in the brain
- Kupffer cellMacrophages located in the liver
- Kussmaul breathingHyperventilation associated with metabolic acidosis

