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
Name of Galicia Name of Galicia The name of Galicia, a nation on the Iberian Peninsula that is currently a part of Spain, derives from the Latin toponym Callaecia, later "Gallaecia", related to the name of an ancient tribe that resided north of the Douro river, the Gallaeci or Callaeci in Latin, or "Kallaikói" (καλλαικoι) in Greek. The etymology of the name has been studied since the 7th century. The earliest known attempt at this was due to Isidore of Seville, who related the name of the Galicians and of the Gauls to the Greek word γάλα, "milk", 'they are called Galicians because