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nouna poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tracttype of:
Definition that contains hyoscyamine
- henbane poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine
- hyoscyamus niger poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine
- black henbane poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine
- stinking nightshade poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine
- egyptian henbane poisonous herb whose leaves are a source of hyoscyamine
- hyoscyamus muticus poisonous herb whose leaves are a source of hyoscyamine