trigger zone
1trigger zone — an area to which stimulation may cause physiological or pathological changes. See also dolorogenic z. and trigger point …
2trigger zone — noun see trigger area …
3Chemoreceptor trigger zone — The chemoreceptor trigger zone (CTZ), is an area of the medulla that receives inputs from blood borne drugs or hormones, and communicates with the vomiting center, to initiate vomiting. The CTZ is close to the area postrema on the floor of the… …
4chemoreceptor trigger zone — a trigger zone in the area postrema in the fourth ventricle. It mediates physiological reactions to various chemicals and drugs, plays an indirect role in stimulation of vomiting, and mediates some impulses that in turn stimulate the vomiting… …
5trigger — [tʀigœʀ; tʀigɛʀ] n. m. ÉTYM. 1968, Larousse; mot angl., « déclenchement », du néerl. trekker. ❖ ♦ Anglicisme. 1 Techn. Déclencheur, dans une machine à calculer électronique. 2 Méd …
6trigger point — n a sensitive area of the body which when stimulated gives rise to a reaction elsewhere in the body esp a localized usu. tender or painful area of the body and esp. of a muscle that when stimulated gives rise to pain elsewhere in the body called… …
7trigger area — noun or trigger zone : a sensitive area of the body stimulation of which gives rise to reaction elsewhere in the body; especially : a hypersensitive area that evokes referred pain elsewhere when stimulated an attack of trifacial neuralgia… …
8zone — A segment; any encircling or beltlike structure, either external or internal, longitudinal or transverse. SEE ALSO: area, band, region, space, spot. SYN: zona (1) [TA]. [L. zona] …
9trigger area — trig·ger area trig ər n TRIGGER POINT * * * see under zone …
10dolorogenic zone — a trigger zone that when stimulated causes pain or an attack of neuralgia …
