PI Medical Abbreviation

Primary Immunodefijiency

Prilary Immunodeficiencies

Prinicipak Investigator

Pristinamycin I

Probability

The relative likelihood of a particular outcome among all possible outcomes.

Progestin-Independent

Progression Index

Proinsulin

Proliferative

Growing and increasing in number rapidly.For example, the lymphoproliferative disorders are diseases in which there is malignant growth of lymphoid cells and of cells from the reticuloendothelial system. As another example, the myeloproliferative disorders are malignancies of certain bone marrow cells including those that give rise to the red blood cells, the granulocytes, and the platelets.