| nociceptor | A peripheral nerve organ or mechanism for the reception and transmission of painful or injurious stimuli. Origin: noci-+ L. Capio, to take (05 Mar 2000) |
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| nociceptors | Peripheral receptors for pain. Nociceptors include receptors which are sensitive to painful mechanical stimuli, extreme heat or cold, and chemical stimuli. All nociceptors are free nerve endings. (12 Dec 1998) |
| nocifensor | Denoting processes or mechanisms that act to protect the body from injury; specifically, a system of nerves in the skin and mucous membranes that react to adjacent injury by causing vasodilation. Origin: noci-+ L. Fendo (only in compounds), to strike, ward off (05 Mar 2000) |
| nocifensor reflex | Vascular dilation in a part surrounding an injury or in its neighborhood. (05 Mar 2000) |
| nociperception | The appreciation of injurious influences, referring to nerve centres. Origin: noci-+ perception (05 Mar 2000) |
| nocodazole | <chemical> (5-(2-thienylcarbonyl) 1h-benzimidazol-2-yl)carbamic acid methyl ester. Nocodazole is an antineoplastic agent which exerts its effect by depolymerizing microtubules. Pharmacological action: antineoplastic agent. Chemical name: Carbamic acid, (5-(2-thienylcarbonyl)-1H-benzimidazol-2-yl)-, methyl ester (12 Dec 1998) |
| noct- | Nocturnal. See: nycto-. Origin: L. Nox, night (05 Mar 2000) |
| noctalbuminuria | A pathological increase of albumin in urine excreted during the evening, a rarely observed event. Origin: L. Nox, night, + albuminuria (05 Mar 2000) |
| noctambulation | <psychiatry, neurology> Sleepwalking, rising out of bed and walking about during an apparent state of sleep, usually occurring in the first third of the night and lasting a few minutes to a half hour. Origin: L. Somnus = sleep, ambulare = to walk (18 Nov 1997) |
| noctambulism | <psychiatry, neurology> Sleepwalking, rising out of bed and walking about during an apparent state of sleep, usually occurring in the first third of the night and lasting a few minutes to a half hour. Origin: L. Somnus = sleep, ambulare = to walk (18 Nov 1997) |
| noctilionid | <zoology> A South American bat of the genus Noctilio, having cheek pouches and large incisor teeth. Origin: Etymol. Uncertain. Source: Websters Dictionary (01 Mar 1998) |
| Noctiluca | <organism> A bioluminescent dinoflagellate. Responsible for many instances of marine phosphorescence. (18 Nov 1997) |
| noctilucin | <zoology> A fatlike substance in certain marine animals, to which they owe their phosphorescent properties. Source: Websters Dictionary (01 Mar 1998) |
| noctilucine | <zoology> Of or pertaining to Noctiluca. Source: Websters Dictionary (01 Mar 1998) |
| noctiphobia | <psychology> Morbid dread of night and its darkness and silence. Origin: noct-+ phobia (05 Mar 2000) |