Alkaloid use of Ephedra and opium poppies. Also, coca leaves have been used by South American Indians since ancient times. Extracts from plants containing toxic alkaloids, such as aconitine and tubocurarine, were used since antiquity for poisoning arrows. Studies of alkaloids began in the 19th century. In 1804, the German chemist Friedrich Sertürner isolated from opium a "soporific principle" (), which he called "morphium" in honor of Morpheus, the Greek god of dreams; in German and some other Central-European languages, this is still the name of the drug. The term "morphine", used in English and French, was given by the French
Javier (name) leader of the fictional X-Men, however it is not incorrect to pronounce it this was when considering its Basque origin or that many 'X' words derive in English from the Greek phonetics, which pronounce it as a 'Ks' sound. Javier (name) Javier () is the Spanish spelling of the masculine name Xavier. The name derives from the Catholic Saint called Francis de Xavier, where "Xavier" refers to the saint's birthplace. This birthplace name, in turn, has Basque roots, etymologically originating in the word "etxaberri" ("etxe berri" in standard spelling), meaning "castle" or "new house". The original place name went through