Pu-er´pe-ral. Pertaining to childbirth.

Pu´er-pe´´ri-um. The period or state of confinement. The puerperium is the time succeeding labor which is necessary for the restoration of the genitals to their condition previous to pregnancy, or as near it as possible. It varies from 6 weeks to several months.

Pu´ru-lent. Consisting of or containing pus.

Py-æ´mia. Blood-poison of microbic origin.

Py´e-li´´tis. Inflammation of the pelvis or the kidney.

Py´or-rhœ´´a. A discharge of pus, especially from infection around the roots of the teeth.

Py-ro´sis. Heartburn. Acidity of the stomach. Eructations of acid.

Re´flex-es. Reflected actions or movements. Impulses received and transmitted by the nervous system without conscious volition. Involuntary responses to irritation. Automatic movements.

Re-frig´e-rant. Relieving fever and thirst. A cooling remedy. Acidulous drinks and evaporating lotions are refrigerant.

Re-gur´gi-ta´´tion. 1. The casting up of undigested food. 2. A backward flowing of the blood through the left auriculo-ventricular opening, on account of imperfect closure of the mitral valve.