podology. A treatise on the foot.
poly. A Greek prefix for much or many, ex: polyphagia, excessive eating.
poroma. Callus; exostosis.
potassium. An alkaline metallic element. Among the salts of potassium are: potassium bichromate, employed externally as a caustic to syphilitic vegetations; potassium hydroxide, used as a strong penetrating caustic.
poultice. A soft emulsion for external application.
pous. Foot, as in podiatrist.
pre. A prefix denoting anterior or before.
predisposing. Inclining to, as a disease.
prepatellar. In front of the patella.
prognosis. A forecast of the result. In medicine, the prior determination of the outcome of a disease.