hyoscyamine

[ hahy-uh-sahy-uh-meen, -min ]

noun

, Pharmacology.

1. a poisonous alkaloid, C 17 H 23 NO 3 , obtained from henbane and other solanaceous plants, used as a sedative, analgesic, mydriatic, and antispasmodic.

hyoscyamine

/ ˌhaɪəˈsaɪəˌmiːn; -mɪn /

noun

1. a poisonous alkaloid occurring in henbane and related plants: an optically active isomer of atropine, used in medicine in a similar way. Formula: C 17 H 23 NO 3

Word History and Origins

Origin of hyoscyamine¹

First recorded in 1855–60; hyoscyam(us) + -ine ²

Word History and Origins

Origin of hyoscyamine¹

C19: from New Latin, from Greek huoskuamos (from hus pig + kuamos bean) + amine

Example Sentences

Finally, in module IV, part of which occurs in the ER membrane, littorine is converted to hyoscyamine, which is then converted to scopolamine.

From Nature

Other Datura constituents are hyoscyamine, used to control intestinal spasms, and atropine, used to speed up the heart rate.

From New York Times

During the recovery, the victim is forced to consume datura, a plant that contains chemicals such as scopolamine and hyoscyamine, powerful hallucinogens that leave the individual delirious and compliant.

From Scientific American

During the recovery, the victim is forced to consume datura, a plant that contains chemicals such as scopolamine and hyoscyamine, powerful hallucinogens that leave the person delirious and compliant.

From Scientific American

Henbane yields a poisonous alkaloid, hyoscyamine, which is stated to have properties almost identical with those of atropine, from which it differs in being more soluble in water.

From Project Gutenberg