alkaloid
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8.2
- noun
- /ˈæl.kə.lɔɪd/
- Specialized
- Pilocarpine is a naturally occurring alkaloid with cholinergic properties that acts as an agonist at muscarinic receptors.
- toxic alkaloids
- plant alkaloids
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Watch on YouTubeAnd all these, almost all these drug alkaloids.
- And all these, almost all these drug alkaloids.
- There is other plants like cytosine and the that genus of plants, and that alkaloid is also a nicotine receptor agonist.
Examples
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Ephedrine and pseudoephedrine are alkaloid derivatives from plants in the genus Ephedra (Wikipedia, 2005a).
Academic text (2006) -
Goldenseal contains alkaloids known for their medicinal properties.
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Some of the more interesting alkaloids are those used in medical research for their effects on the nervous system.
Academic text (1999) -
We had found traces of an alkaloid both in her liver and at the wound.
Fiction book (2001) -
The cycle then begins again, as the larvae extract the alkaloid for themselves.
Academic text (1999) -
The purpose is to determine whether alkaloids pass through stomach tissue into the bloodstream.
Academic text (2000) -
Daly was by this time an expert in the alkaloids found in amphibian skin.
Academic text (1999) -
But guess what, doctors use belladonna alkaloids that nightshade to treat glaucoma.
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But scientists don't know which alkaloids are responsible for fescue toxicosis.
Academic text (2000) -
Some dendrobatid alkaloids have, indeed, been traced to ants and beetles in the rainforest.
Academic text (1999)
Surface Forms
Morphology
Etymology
The word alkaloid comes from the familiar word alkali and the ending -oid, which means 'like'. The word alkali comes from Arabic al-qaly meaning 'plant ashes', so alkaloid means 'alkali-like' and is used for plant chemicals that are basic and often have strong effects on the body.