ALKALOIDAL • FREE-TRANSLATOR.COM • Definition of Alkaloidal

... irritation of any part of the sympathetic nervous system, and they usually indicate an excessive action of the reflex motor centers. Spasms may be induced by various medicinal agents given in poisonous doses, or by effete materials in the circulation, such as nux vomica or its alkaloid strychnia, lead preparations, or an excess of the urea products in the circulation, etc. Spasms may be divided into two classes: Tonic spasm, when the cramp is continuous or results in persistent rigidity, as in tetanus; clonic spasm, when the cramping is of short ...

— Special Report on Diseases of the Horse • United States Department of Agriculture

... months after I had entered upon my duties, and found myself quietly among my books, the bond was renewed. After two months, in which I passed from laudanum to crude opium, I finally settled on the alkaloid morphia, as being the most powerful of all the preparations of opium. I began with half a grain twice a day, and for the six months ending the last day of September of the just expired year, my daily quantum was sixty grains—half taken the instant I awoke, the other half at six o'clock ...

— The Opium Habit • Horace B. Day