different between derived vs veratridine

derived

English

Pronunciation

  • (UK) IPA(key): /d???a?vd/

Adjective

derived (not comparable)

  1. (systematics) Of, or pertaining to, conditions unique to the descendant species of a clade, and not found in earlier ancestral species.
  2. (comparable, archaic, taxonomy) Possessing features believed to be more advanced or improved than those other organisms.
  3. A product of derivation
    The French language is derived from Latin.

Usage notes

Modern systematics proscribes use of derived to mean "advanced", preferring to use derived to simply mean "changed from the ancestral state" without an evaluation of quality.

Derived terms

  • trackside-derived

Translations

See also

  • apomorphy

Verb

derived

  1. simple past tense and past participle of derive

derived From the web:

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veratridine

English

Noun

veratridine (uncountable)

  1. (organic chemistry) Any of a family of neurotoxic steroid-derived alkaloids, occurring in herbs of the genus Veratrum and seeds of the sabadilla plant.
    • 1990, Dietrich Mebs, Ferdinand Mucho, 7: Toxins Acting on Ion Channels and Synapses, W. T. Shier (editor), Handbook of Toxinology, page 513,
      Like batrachotoxin and veratridine, grayanotoxins act at the voltage-dependent sodium channel in its open conformation, inhibiting its inactivation.
    • 2013, Thomas D. White, The Demonstration and Measurement of Adenosine Triphosphate Release from Nerves, David Paton (editor), Methods in Pharmacology, Volume 6: Methods Used in Adenosine Research, page 47,
      The veratrum alkaloid, veratridine, depolarizes excitable tissues by activating the Na+ channels present in the cell membranes. Therefore, one would expect veratridine to produce a depolarization of nerve that is quite similar to physiological depolarization insofar as it is mediated by changes in Na+ conductances.
    • 2013, Domingo M. Aviado, The Lung Circulation, Volume 1: Physiology and Pharmacology, page 39,
      The results from veratridine will be described first because they illustrate the ultimate way of obtaining proof that the carotid sinus baroreceptors can respond to foreign chemical agents.

Related terms

  • veratrine
  • veratrum

Anagrams

  • intervaried

veratridine From the web:

  • what does veratridine mean
  • what does formentor mean
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