trigger zone


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trig·ger point

a specific point or area where stimulation by touch, pain, or pressure induces a painful response.
A circumscribed region near a nerve, often in the head & neck which, when stimulated, even with light touch, may elicit marked neuralgia accompanied by lightning pain
Examples Lips and buccal cavity—evoking trigeminal neuralgia and tic douloureux—tonsillar or posterior pharynx—glossopharyngeal neuralgia—and muscles involved in myofascial pain syndrome

trigger zone

Neurology A circumscribed region near a nerve, often in the head & neck which, when stimulated, even with light touch, may elicit marked neuralgia accompanied by lightning pain Examples Lips and buccal cavity–evoking trigeminal neuralgia and tic douloureux, tonsillar or posterior pharynx–glossopharyngeal neuralgia and muscles involved in myofascial pain syndrome

trig·ger point

(trig'ĕr poynt)
Pathologic condition characterized by a small, hypersensitive area, occurring in a predictable pattern within muscles or fascia.
Synonym(s): trigger area, trigger zone.

trigger point

; trigger zone skin area exciting neurological pain, when touched see pressure point

trigger zone

the initial segment of a neuron; the first segment of the axon after it leaves the cell body.
References in periodicals archive ?
Patients suffering from facial pain with extra-oral trigger zone facial pain due to some other maxillofacial problem or with some systemic disease e.
Haloperidol is the most potent dopamine-2 antagonist at the chemoreceptor trigger zone.
The urge to vomit comes from two areas in the brain - a vomiting centre set off by a chemoreceptor trigger zone, which rings when you've been boozing too much.