| IPS | inferior petrosal sinus |
|---|---|
| IPS | inspiratory pressure support |
| IPS | intraparietal sulcus |
| IPSC | inhibitory post-synaptic current |
| IPSID | Immunoproliferative Small Intestinal Disease |
| IPSPs | inhibitor postsynaptic potentials |
| IPSS | Inferior petrosal sinus sampling |
| IPSS | International Prostate Symptom Score |
| IPSS | International Prognostic Scoring System |
| IPT | Inflammatory pseudo-tumors |