| NSP | neuron specific protein; nonstructural protein |
|---|---|
| OS | left eye [Lat. oculus sinister]; occipitosacral; occupational safety; office surgery; Omenn syndrome... |
| PASP | pancreas-specific protein; pulmonary artery systolic pressure |
| PLISSIT | permission to be sexual, limited information, specific suggestions, intensive therapy |
| PSA | parasternal short axis; pleomorphic salivary gland adenoma; polyethylene sulfonic acid; polysacchari... |