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
Ion (name) can also be a surname in Romanian. Another variant is Ioan, the Romanian name for John the Baptist (Ioan Botezătorul). Common diminutives are Ionel and Ionuț. Its female form is Ioana. The surname Ionescu derives from Ion. Ion (name) Ion is a masculine given name. The name form in English corresponds to two different and unrelated names from different original languages. The first name is the Greek, "Iōn", after the mythical founder of the Ionians; the modern (demotic) Greek equivalent of the name is "Ionas". The source of this is the Hebrew Yavan, alternatively transliterated as ι-o-ν (Yut Vav/digamma Nun),