I
ic. Relating to, as in caloric, relating to temperature.
ichthyol. A brownish oil; principally used in the form of ammonium ichthyol as an antiseptic.
immersion. The plunging of a body into a liquid.
immobilization. The act of rendering a part immobile (immovable).
immunity. Freedom from risk of infection.
incubation. The development of an infectious disease from the infection period to the appearance of the first symptoms.
indolent. Inactive, sluggish.
induration. Hardening as of tissues.
ine. (Phar.) Alkaloid, as in morphine, an alkaloid.
infection. Invasion by pathogenic microorganisms which act injuriously upon the tissues, causing disease.
inflammation. A morbid condition characterized by hyperemia, pain, heat, swelling and disordered function.
infra. (L. below). A prefix denoting below, as infracostal, below a rib.
innervation. Distribution of the nerves in a part.
inoculation. The introduction of a specific virus into the system.
inorganic. Devoid of organized structure.
in situ (Latin). In position.
integument. The enveloping membrane of the body.
intercellular. Between the cells.
intermittant. Occurring at intervals.
interosseous. Between bone tissue.
interstices. Spaces, intervals, pores.
interstitial. Lying or placed between.
intra. (L. within). A prefix denoting within or inside, as intraneural, within a nerve.
intravenous. Within a vein.
inunction. Administering a drug in ointment form by rubbing into the skin.
inversion. The reversion of the normal position of an organ, turning inward, inside out, etc.
involucrum. An enveloping membrane.
iodide. A compound of iodin with another element, as iodide of potassium.
iodin (iodine). A non-metallic chemical element.
iodoform. A lemon yellow crystalline powder; used as an antiseptic to wounds and sores.
iritis. Inflammation of the iris, the anterior division of the vascular tunic of the eye.
iron. A metallic element.
irrigation. The washing out of a cavity or wounded surface with a stream of fluid.
itis. Inflammation, as in pericarditis, inflammation of the pericardium.