| IAR | immediate asthma reaction; inhibitory anal reflex; iodine-azide reaction |
|---|---|
| ID | identification; iditol dehydrogenase; immunodeficiency; immunodiffusion; immunoglobulin deficiency; ... |
| IJP | inhibitory junction potential; internal jugular pressure |
| IPSC | inhibitory postsynaptic current |
| IPSP | inhibitory postsynaptic potential |