Perspiration. The matter discharged from the pores of the skin in form of vapour or sweat.

Phlogiston. Is here used to signify somewhat rendering the air unfit for the purposes of respiration.

Phlegmatic. Watery, relaxed.

Plethoric. Replete with blood.

Polypus. A diseased excrescence, or a substance formed of coagulable lymph, frequently found in the large blood vessels.

Pus. Matter contained in a boil.

R.

Regimen. Regulation of diet.

Rectum. The straight gut, in which the fœces are contained.

Respiration. The act of breathing.