para-, par-

An acute infectious disease with symptoms and lesions resembling those of typhoid fever, though milder in character; associated with the presence of the paratyphoid organism of which at least three varieties (types A, B, and C) have been described.

Potent sexually only in unusual circumstances.

1. Muscular weakness or partial inability to move caused by disease of the nervous system.
2. Slight or partial paralysis; general paralysis.

A form of neurosyphilis (syphilis affecting the central nervous system; the brain and spinal cord). Also known as general paresis, neurolues, acute syphilitic meningitis, meningovascular syphilis, tabes dorsalis, and the great pox.

It was first recognized in Europe as a distinct epidemic in Naples in the late 1400s coincident with the invasion of Naples by the French. The dispersal of the debauched French mercenary army throughout Western Europe led to the frighteningly fast spread of the new disease.

Paresis resulting from untreated syphilis usually develops in the third to fifth decade, but it may occur at an early age in patients with congenital syphilis.

1. Sensations of stinging, tingling, burning, crawling, etc. of the skin for no apparent cause; a disordered, or perverted, sensation.
2. An unpleasant sensation caused by tactile (touching) stimuli.

A bright spot on a solar halo sometimes appearing on either side of the sun, often on a luminous ring or halo.

Also called mock suns, they are bright, colorful light patches which appear in ice clouds 22° or more to either side of the sun.

At sunrise and sunset, the angular separation from the sun is exactly 22°. When the Sun is high, the parhelions may appear diamond-shaped, and no parhelion can occur if the sun is higher than 61°.

A disorder of the sense of smell.

An abnormal sensation caused by exposure to light.

1. A parasitic plant.
2. Any parasitic vegetable organism or species.

1. An object or organism that resembles or is mistaken for a parasite.
2. A false parasite; which may be either a commensal or a temporary parasite (the latter being an organism accidentally ingested and surviving briefly in the intestine).

Infestation of parasites by other parasites; that is, parasites on other parasites.

1. An ectoparasite that becomes pathogenic when the resistance of its host weakens.
2. A strange organism not usually parasitic on the host but that becomes so because of a weakened condition of the host.

A reference to a parasite (or parasites) having an animal host.