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Palsy of the lower half of the body on both sides, caused usually by disease of the spinal cord. -- Par`a*pleg"ic, a.

The fit, attack, or exacerbation, of a disease that occurs at intervals, or has decided remissions or intermissions. Arbuthnot.

oduced by, particles, such as dust, minute germs, etc. [R.] The smallpox is a particulate disease. Tyndall.

A method of treatment, devised by Pasteur, for preventing certain diseases, as hydrophobia, by successive inoculations with an attenuated virus of gradually increasing strength.

lass of virulent microörganisms or bacteria found in the tissues and fluids in infectious diseases, and supposed to be the cause of the disease; a pathogenic organism; a pathogenic bacterium; -- opposed to zymogene.

Of or pertaining to pathogeny; producting disease; as, a pathogenic organism; a pathogenic bacterium.

The generation, and method of development, of disease; as, the pathogeny of yellow fever is unsettled.

Specially or decisively characteristic of a disease; indicating with certainty a disease; as, a pathognomonic symptom. The true pathognomonic sign of love jealousy. Arbuthnot.

ology; as, the pathologist of a hospital, whose duty it is to determine the causes of the diseases.

The science which treats of diseases, their nature, causes, progress, symptoms, etc.

An epidemic disease of the silkworm, characterized by the presence of minute vibratory corpuscles in the blood.

Relating to, or good for, diseases of the chest or lungs; as, a pectoral remedy.

That branch of medical science which treats of the hygiene and diseases of children.

The body of any quarry killed by the hawk. Pelt rot, a disease affecting the hair or wool of a beast.

A somewhat rare skin disease, characterized by the development of blebs upon different part of the body. Quain.

A charm worn as a protection against disease or mischief; an amulet. Coleridge. Now help, ye charming spells and periapts. Shak.

The time of the exacerbation and remission of a disease, or of the paroxysm and intermission.

of various species of Cinchona. It acts as a powerful tonic, and is a remedy for malarial diseases. This property is due to several alkaloids, as quinine, cinchonine, etc., and their compounds; -- called also Jesuit's bark, and cinchona. See Cinchona.

A fatal epidemic disease; a pestilence; specif., the plague. England's sufferings by that scourge, the pest. Cowper.

A house or hospital for persons who are infected with any pestilential disease.