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Any symptom or occurrence in a disease, which serves to direct to suitable remedies.

An acute disease, almost exclusively infantile, characterized by inflammation of the anterior horns of the gray substance of the spinal cord. It is attended with febrile symptoms, motor paralysis, and muscular atrophy, often producing permanent deformities. Called also acute anterior poliomyelitis.

o taint with morbid matter or any pestilential or noxious substance or effluvium by which disease is produced; as, to infect a lancet; to infect an apartment.

That which infects, or causes the communicated disease; any effluvium, miasm, or pestilential matter by which an infectious disease is caused. And that which was still worse, they that did thus break out spread the infection further by their wandering about with the distemper upon them. De Foe.

leness; an imperfection or weakness; esp., an unsound, unhealthy, or debilitated state; a disease; a malady; as, infirmity of body or mind. 'T is the infirmity of his age. Shak.

nding to cause, preternatural heat and excitement of arterial action; as, an inflammatory disease. Inflammatory crust. (Med.) Same as Buffy coat, under Buffy. -- Inflammatory fever, a variety of fever due to inflammation.

right of men to life, liberty, and protection. "A most inherent baseness." Shak. The sore disease which seems inherent in civilization. Southey.

rs, as mental or physical qualities; as, he inherits a strong constitution, a tendency to disease, etc. Prince Harry is valiant; for the cold blood he did naturally inherit of his father he hath . . . manured . . . with good store of fertile sherris. Shak.

beginning; marking the commencement; incipient; commencing; as, the initial symptoms of a disease.

Capable of being inoculated; capable of communicating disease, or of being communicated, by inoculation.

To communicate a disease to ( a person ) by inserting infectious matter in the skin or flesh; as, to inoculate a person with the virus of smallpox,rabies, etc. See Vaccinate.

The act or practice of communicating a disease to a person in health, by inserting contagious matter in his skin or flesh.

One who inoculates; one who propagates plants or diseases by inoculation.

deceit; as, insidious arts. The insidious whisper of the bad angel. Hawthorne. Insidious disease (Med.), a disease existing, without marked symptoms, but ready to become active upon some slight occasion; a disease not appearing to be as bad as it really is.

ich attempts to account philosophically for the various phenomena of health as well as of disease; physiology applied to the practice of medicine. Dunglison.

f a triplet. Beattie. Intercalary day (Med.), one on which no paroxysm of an intermittent disease occurs. Mayne.

Said of diseases occurring in the course of another disease. Dunglison.

emporary cessation or subsidence of a fever; the space of time between the paroxysms of a disease. Intermission is an entire cessation, as distinguished from remission, or abatement of fever.

ting; recurrent; periodic; as, an intermittent fever. Boyle. Intermittent fever (Med.), a disease with fever which recurs at certain intervals; -- applied particularly to fever and ague. See Fever. -- Intermittent gearing (Mach.), gearing which receives, or produces, intermittent motion. -- Intermittent springs, spri…

The incoming or first attack of anything hurtful or pernicious; as, the invasion of a disease.