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
Gregory (given name) Gregory (given name) The masculine first name Gregory derives from the Latin name "Gregorius", which came from the late Greek name "Γρηγόριος" (Grēgorios) meaning "watchful, alert" (derived from Greek "γρηγoρεῖν" "grēgorein" meaning "to watch"). Through folk etymology, the name also became associated with Latin "grex" (stem "greg–") meaning "flock" or "herd". This association with a shepherd who diligently guides his flock contributed to the name's popularity among monks and popes. Sixteen popes and two antipopes have used the name "Gregorius", starting with Pope Gregory I (Gregory the Great). It is tied with Benedict as the second-most popular name for pope,