| PI | 1) Pulmonary Insufficience(Incompetence) = PR 2) Phosphatidyl Inositol |
|---|---|
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency; parainfluenza; pars intermedia; patient's interest; performance intensity; perinatal injury; periodontal index; permeability index; personal injury; personality inventory; Pharmacopoeia Internationalis; phosphatidylinositol; physically impaired; pineal body; plaque index; plasmin inhibitor; pneumatosis intestinalis; poison ivy; ponderal index; postictal immobility; postinfection; postinfluenza; postinjury; postinoculation; preinduction [examination]; premature infant; prematurity index; preparatory interval; present illness; primary infarction; primary infection; principal investigator; product information; proinsulin; prolactin inhibitor; protamine insulin; protease inhibitor; proximal intestine; pulmonary incompetence; pulmonary index; pulmonary infarction; pulsatility index |
| PI | inspiratory pressure |
| Pi | parental generation; pressure in inspiration; protease inhibitor |
| pI | isoelectric point |
| pi | post-injection |
| Pi, Pi | inorganic phosphate |
| PI-P | phosphatidylinositol-4-phosphate |
| PI-PP | phosphatidylinositol-4,5-biphosphate |
| PIA | photoelectric intravenous angiography; plasma insulin activity; preinfarction angina; Psychiatric Institute of America; R-phenylisopropyladenosine |