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
Greek name Greek name In the modern world, personal names among people of Greek language and culture generally consist of a given name, a patronymic and a family name. Ancient Greeks generally had a single name, often qualified with a patronymic, a clan or tribe, or a place of origin. Married women were identified by the name of their husbands, not their fathers. Hereditary family names or surnames began to be used by élites in the Byzantine period. Well into the 9th century, they were rare. But by the 11th and 12th centuries, élite families often used family names. Family names came