HEMOSTATICSDrugs that control external bleeding by forming an artificial
HISTOLOGYThe microscopic study of tissue structure.
HOSTA man or other living animal affording subsistence or lodgment to an
infectious agent under natural conditions.
HYDROTHERAPYThe scientific use of water in the treatment of disease.
HYPERGLYCEMIAAbnormally increased content of sugar in the blood.
HYPERPNEAIncreased rate and depth of breathing.
HYPERTENSIONHigh blood pressure.
HYPERTHERMIAAbnormally high body temperature, especially that induced
for therapeutic purposes.
HYPOGLYCEMIALow blood sugar.
HYPOPNEAAbnormal shallowness and rapidity of breathing.
HYPOSTASISPoor or stagnant circulation in a dependent part of the body or
organ, as in venous insufficiency.
HYPOTENSIONLow blood pressure.
HYPOTHERMIAAbnormally low body temperature.
HYPOVOLEMIAAbnormally decreased volume of circulating fluid (plasma)
in the body.
HYPOXIALow oxygen content or tension; deficiency of oxygen in the inspired
IMMISCIBLEIncapable of being mixed.
IMMUNE PERSONAn individual who does not develop clinical illness when
exposed to specific infectious agents of a disease, due to the presence of specific
antibodies or cellular immunity.
IMMUNITYA defense mechanism of the body which renders it resistant to
INAPPARENT INFECTIONAn infection with no detectable clinical
symptoms, even though the causative infectious agent may be identifiable with
laboratory examinations. It is also known as an asypmtomatic or subclinical
INCIDENCE RATEThe number of specific disease cases diagnosed and
reported in a specific population in a defined period of time. It is usually
expressed as cases per 1,000 or 100,000 annually.
INCISIONA cut, or a wound produced by cutting with a sharp instrument.
INCOMPATIBLENot suitable for combination or simultaneous administration.
INCONTINENTUnable to control excretory functions.
INCUBATION PERIODThe period of time between the initial exposure to an
infectious agent and the first clinical symptoms of the disease.
INDURATIONAn abnormally hard spot or place.