ELECTROLYTE-A substance that dissociates into ions in solution or when fused, thereby becoming capable of conducting electricity.

ELIXIR-An aromatic, sweetened, hydroalcoholic solution containing medicinal substances.

EMBOLUS-A clot or other plug brought by the blood from another vessel and forced into a smaller one, thereby obstructing circulation.

EMETIC-Asubstance that causes vomiting.
EMOLLIENT-A drug that softens, soothes, or smooths the skin or irritated surfaces.

EMULSION-Aliquid preparation containing two unmixable liquids, such as oil and water, one of which is dispersed as globules in the other.

ENCAPSULATED-Enclosed within a capsule.
ENDEMIC-The constant presence of a disease in a given locality.
ENTERIC-Of or within the intestine.
EPIDEMIC-The outbreak of disease in a geographic area in excess of normal expectations.

EPIDEMIOLOGY-The study of epidemics and epidemic diseases.
EPISTAXIS-Nosebleed.
EPIZOOTIC-Attacking many animals in a region at the same time.
ERADICATE-Wipe out; destroy.
ERYTHEMA-Redness.
ERYTHROCYTE-Red blood cell.

EUPNEA-Ordinary, quiet breathing.
EUTAXIA-The liquification of solids mixed in a dry state.
EXSANGUINATION-Extensive loss of blood due to hemorrhage, either internal or external.

EXTENSION-Straightening or unbending, as in straightening the forearm, leg, or fingers.

EXTRAVASATION-Adischarge or escape, such as blood from a vessel into the tissue.

EXTRICATION-The process of freeing a victim, such as from a wrecked car or flooded compartment.

FLEXION-Bending, as in bending an arm or leg.

FOMITE-Anobject, such as a book, wooden object, or an article of clothing, that is not in itself harmful, but is able to harbor pathogenic microorganisms and thus may serve as an agent of transmission of an infection.

FUMIGATION-The destruction of disease-producing animals or insects by gaseous agents.

FUNGICIDE-Adrug that kills fungus.
FURUNCLE-An abscess in the true skin caused by the entry of microorganisms through a hair follicle or sweat gland.

FUSION-Melting.
GASTROSTOMY-Asurgical opening from the external surface of the body into the stomach, usually for inserting a feeding tube.

GAVAGE-Introducing a substance into the stomach through a tube.
GERMICIDE-An agent that kills germs.
GESTATION-The period of carrying developing offspring in the uterus after conception.

GLYCOSURIA-Glucose in the urine.
GRAM-NEGATIVE-Amicroorganism that does not retain Gram's crystal violet and is stained by the counterstain.

GRAM-POSITIVE-Amicroorganism that is stained by Gram's crystal violet.
HEMACYTOMETER-An instrument for estimating the number of blood cells in a measured volume of blood.

HEMATEMESIS-Vomiting bright red blood.
HEMATOCRIT-Adetermination of the volume percentage of red blood cells in whole blood.

HEMIPLEGIA-Loss of motion and sensation of one side of the body.
HEMOGLOBIN-Iron containing red pigment (heme) combined with a protein substance (globin).

HEMOLYSIN-Substance that breaks down red blood cells, thereby liberating hemoglobin.

HEMOPTYSIS-Coughing up bright red blood.

HEMOSTATICS-Drugs that control external bleeding by forming an artificial clot.

HISTOLOGY-The microscopic study of tissue structure.
HOST-A man or other living animal affording subsistence or lodgment to an infectious agent under natural conditions.

HYDROTHERAPY-The scientific use of water in the treatment of disease.
HYPERGLYCEMIA-Abnormally increased content of sugar in the blood.
HYPERPNEA-Increased rate and depth of breathing.
HYPERTENSION-High blood pressure.
HYPERTHERMIA-Abnormally high body temperature, especially that induced for therapeutic purposes.

HYPOGLYCEMIA-Low blood sugar.
HYPOPNEA-Abnormal shallowness and rapidity of breathing.
HYPOSTASIS-Poor or stagnant circulation in a dependent part of the body or organ, as in venous insufficiency.

HYPOTENSION-Low blood pressure.
HYPOTHERMIA-Abnormally low body temperature.
HYPOVOLEMIA-Abnormally decreased volume of circulating fluid (plasma) in the body.

HYPOXIA-Low oxygen content or tension; deficiency of oxygen in the inspired air.

IMMISCIBLE-Incapable of being mixed.
IMMUNE PERSON-An 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.

IMMUNITY-A defense mechanism of the body which renders it resistant to
certain organisms.

INAPPARENT INFECTION-An 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 infection.

INCIDENCE RATE-The 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.

INCISION-Acut, or a wound produced by cutting with a sharp instrument.
INCOMPATIBLE-Notsuitable for combination or simultaneous administration.
INCONTINENT-Unable to control excretory functions.
INCUBATION PERIOD-The period of time between the initial exposure to an infectious agent and the first clinical symptoms of the disease.

INDURATION-An abnormally hard spot or place.

INFECTION-Acondition resulting when pathogens enter body tissues, multiply, and cause injury to cells.

INFECTIOUSAGENT-Anorganism capable of producing infection or disease.
INFECTIOUS DISEASE-A disease of man and animal resulting from an infection.

INFESTATION-The establishment and multiplication of small animals or arthropods (especially insects and rodents) on the body, clothing, or habitat of individuals or animals.

INGUINAL-Pertaining to the abdomen.
INSTRUCTION-A directive containing authority or information having continued reference value or requiring continuing action.

INTEGUMENTARY (SYSTEM)-The skin and its accessory structures, including hair and nails.

INTRADERMAL-Into the dermis.
INUNCTION-Rubbing in.
ISCHEMIA-The lack of blood supply to specific areas due to constriction or obstruction in the blood vessels.

ISOLATION-Procedures taken to separate infected persons or animals, dispose of their secretions, and disinfect or sterilize the supplies, equipment, utensils, etc., used for their care, in order to prevent the spread of disease to susceptible persons or animals. Different procedures may be required for the specific infectious agent involved.

ISOTONIC-Asolution having the same salinity as whole blood.
KERATOLYTIC-Removes horny layers of epidermis.