| hallucal | <anatomy> Of or pertaining to the hallux. Source: Websters Dictionary (01 Mar 1998) |
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| hallucination | <symptom> A false perception occurring without any true sensory stimulus. Origin: L. Hallucinatio, Gr. Alyein = to wander in the mind (29 Sep 1997) |
| hallucinations | Subjectively experienced sensation in the absence of an actual appropriate stimulus, but which is regarded by the individual as real. (12 Dec 1998) |
| hallucinatory neuralgia | An impression of local pain persisting after an attack of neuralgia has ceased. (05 Mar 2000) |
| hallucinogen | <pharmacology> A class of medications (for example LSD, marijuana, peyote, heroin, cocaine) that result in a distorted perception of reality. Often accompanied by hallucinations. (27 Sep 1997) |
| hallucinogenesis | <pharmacology> A class of medications (for example LSD, marijuana, peyote, heroin, cocaine) that result in a distorted perception of reality. Often accompanied by hallucinations. (27 Sep 1997) |
| hallucinogenic | A property of a drug or chemical which produces hallucinations or other bizarre aberrations in mental functioning. Synonym: hallucinogenic. (05 Mar 2000) |
| hallucinogens | Drugs capable of inducing illusions, hallucinations, delusions, paranoid ideations, and other alterations of mood and thinking. Despite the name, the feature that distinguishes these agents from other classes of drugs is their capacity to induce states of altered perception, thought, and feeling that are not experienced otherwise. (12 Dec 1998) |
| hallus | <anatomy, ornithology> The first, or preaxial, digit of the hind limb, corresponding to the pollux in the fore limb; the great toe; the hind toe of birds. Origin: NL, fr. L. Hallex, allex. Source: Websters Dictionary (01 Mar 1998) |
| hallux | <anatomy, ornithology> The first, or preaxial, digit of the hind limb, corresponding to the pollux in the fore limb; the great toe; the hind toe of birds. Origin: NL, fr. L. Hallex, allex. Source: Websters Dictionary (01 Mar 1998) |
| hallux dolorosus | A condition, usually associated with flatfoot, in which walking causes severe pain in the metatarsophalangeal joint of the great toe. Synonym: painful toe. (05 Mar 2000) |
| hallux extensus | A deformity in which the great toe is held rigidly in the extended position. (05 Mar 2000) |
| hallux flexus | Hammer toe involving the first toe. (05 Mar 2000) |
| hallux malleus | Hammer toe involving the first toe. (05 Mar 2000) |
| hallux rigidus | A condition in which there is stiffness in the first metatarsophalangeal joint; the joint may be the site of a osteoarthritis. Synonym: stiff toe. (05 Mar 2000) |