HYOSCYAMINE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does hyoscyamine mean? 

• HYOSCYAMINE (noun)
  The noun HYOSCYAMINE has 1 sense:

1. a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract

  Familiarity information: HYOSCYAMINE used as a noun is very rare.

 Dictionary entry details 

• HYOSCYAMINE (noun)

Sense 1

Meaning:

A poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract

Classified under:

Nouns denoting man-made objects

Hypernyms ("hyoscyamine" is a kind of...):

alkaloid (natural bases containing nitrogen found in plants)

poison; poisonous substance; toxicant (any substance that causes injury or illness or death of a living organism)

 Context examples 

A combination preparation containing the belladonna alkaloids atropine sulfate, hyoscyamine sulfate, and scopolamine hydrobromide, and the barbiturate phenobarbital with antispasmodic, anxiolytic and sedative activities.

(Belladonna/Phenobarbital, NCI Thesaurus)

Hyoscyamine functions as a non-selective, competitive antagonist of muscarinic receptors, thereby inhibiting the parasympathetic activities of acetylcholine on the salivary, bronchial, and sweat glands, as well as the eye, heart, bladder, and gastrointestinal tract.

(Hyoscyamine, NCI Thesaurus)