OINTMENTA semisolid, fatty, or oily preparation of medicinal substances for
OLFACTORYPertaining to the sense of smell.
OLIGEMlADeficiency in the volume of blood.
OPHTHALMICPertaining to the eye.
ORGANISMAny living thing.
OSMOSISThe diffusion of fluids through a membrane or porous partition.
OSSIFICATIONChanging or developing into bone.
OXIDATIONThe union of a substance with oxygen.
PALPABLECapable of being touched or felt.
PALPITATIONAn abnormal, rapid, regular or irregular beating of the heart, felt
by the patient.
PARAPLEGIALoss of motion and sensation of the lower half of the body.
PARASITICIDESDrugs that kill parasites.
PARENTERALAdministration of drugs by injection.
PARESISSlight or partial paralysis.
PAROXYSMA sudden attack, or intensification of the symptoms of a disease,
usually recurring periodically.
PATHOGENAn organism capable of producing disease or causing infections.
PATHOGENICITYThe capability of an infectious agent to cause disease in a
PERCUSSIONThe act of striking a body part with short, sharp blows as an aid in
diagnosing the condition by evaluating the sound obtained.
PERIPHERALOutward part or surface.
PETECHIA(pl. petechiae) A round pinpoint, nonraised, purplish red spot caused
by hemorrhage in the skin.
pHScale measuring the acidity or alkalinity of a solution.
PHAGOCYTOSISThe ingestion and destruction by phagocytes of cells,
microorganisms, and other foreign matter in the blood or tissue.
PHARMACOGNOSYThe study of the action of drugs and their uses.
PHYSIOLOGICALCharacteristic of or appropriate to an organisms
PRECIPITATIONThe quality or state of being separated from solution or
suspension by chemical or physical change, usually as an insoluble amorphous
or crystalline solid.
PRONELying face down.
PROPHYLACTICThe prevention of disease; preventive treatment.