veratrine

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ver·a·trine

(ver'ă-trēn, -trin),

A mixture of alkaloids from the seeds of Schoenocaulon officinale (Sabadilla officinarum) (family Liliaceae), including cevine, cevadine, cevadilline, sabadine, and veratridine; a powder of acrid taste, intensely irritating to the nasal mucous membrane, that has been used as an anodyne counterirritant in neuralgias and arthritis.

Farlex Partner Medical Dictionary © Farlex 2012

veratrine

(vĕr′ə-trēn′, -trĭn)

A poisonous mixture of alkaloids extracted from sabadilla seeds and used as an insecticide and formerly as a counterirritant.

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References in periodicals archive ?

Ryanodine (1 x [10.sup.-5] M), an intracellular [Ca.sup.2+] blocker, decreased the contraction induced by veratrine in both the epididymal and the prostatic portions of isolated mouse vas deferens.

In conclusion, veratrine could induce contraction in a concentration-dependent manner, and paeoniflorin could decrease veratrine-induced contraction in isolated mouse vas deferens.

[FIGURE 5 OMITTED] Table 1 Effects of various drugs on veratrine (VR 1 x [10.sup.-5] g/ml)-induced contraction in the epididymal portion of isolated mouse vas deferens.

Arbel, E.R., Lazzari, J., Glick, G.: Effects of veratrine on re-polarization in the canine right bundle branch.

Brazil, O.V., Fontana, M.D.: Unequal depolarization of the membrane of the rat diaphragm muscle fibers caused by veratrine. Pflugers.

Horackova, M., Vassort, G.: Ionic mechanisms of ionotropic effect of veratrine on frog heart.

Tsai, H.Y, Lin, Y.T., Chen, Y.F., Chen, C.F.: The interactions of paeoniflorin and veratrine on isolated rat atria.