| habituation | 1. <physiology> The tendency of some neurons to require either a stronger nerve signal or a longer recharge period before it can fire again, if it has been triggered recently. 2. <psychology> The disappearance of responsiveness to accustomed stimulation. It does not include drug habituation. (03 Jul 1999) |
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| habitude | 1. Habitual attitude; usual or accustomed state with reference to something else; established or usual relations. "The same ideas having immutably the same habitudes one to another." (Locke) "The verdict of the judges was biased by nothing else than heir habitudes of thinking." (Landor) 2. Habitual association, intercourse, or familiarity. "To write well, one must have frequent habitudes with the best company." (Dryden) 3. Habit of body or of action. "It is impossible to gain an exact habitude without an infinite umber of acts and perpetual practice." (Dryden) Origin: F, fr. L. Habitudo condition. See Habit. Source: Websters Dictionary (01 Mar 1998) |
| habitus | <zoology> Habitude; mode of life; general appearance. Origin: L. Source: Websters Dictionary (01 Mar 1998) |
| habromania | <psychiatry> Rarely used term for a morbid impulse toward gaiety. Origin: G. Habros, graceful, + mania, insanity (05 Mar 2000) |
| habronaemiasis | Infection of horses with any nematodes of the genus Habronema; commonly denotes wound infections that contain the larvae of this worm. (05 Mar 2000) |
| Habronema | A genus of spiruroid nematodes inhabiting the stomach of horses. The larvae develop in housefly and stable fly maggots living in manure, become infective when the fly larvae pupate, and are carried by adult flies to open wounds on horses, where they are left and cause cutaneous habronaemiasis; reinfection of the horse's stomach by Habronema occurs by accidental ingestion of infected flies or from licking wounds in which infective larvae are found. Origin: G. Habros, graceful, delicate, + nema, a thread (05 Mar 2000) |
| Habronema majus | One of two species (the other being Habronema microstoma) similar in appearance, hosts, distribution, and life cycle to Habronema muscae; the intermediate host is the stable fly, Stomoxys calcitrans. (05 Mar 2000) |
| Habronema megastoma | A species that causes tumours in gastric mucosa containing large numbers of the small nematodes; the larvae cause cutaneous habronaemiasis; the intermediate host is the common housefly, Musca domestica. (05 Mar 2000) |
| Habronema microstoma | One of two species (the other being Habronema microstoma) similar in appearance, hosts, distribution, and life cycle to Habronema muscae; the intermediate host is the stable fly, Stomoxys calcitrans. (05 Mar 2000) |
| Habronema muscae | A species that occurs in the stomach of the horse, mule, ass, or zebra; the intermediate host is the common housefly, Musca domestica, or related flies. (05 Mar 2000) |