Perinæum—The floor of the pelvis, or space between and including the anus and vulva.
Peritonitis—Inflammation of lining membrane of bowels.
Placenta—After-birth.
Pleura—Membrane covering the lungs.
Pleurisy—Inflammation of the pleura.
Pregnancy—Being with child.
Prognosis—Prediction of termination of a disease.
Prolapsus—Falling; protrusion.
Prolapsus Uteri—Falling of the womb.
Prostration—Without strength.