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Alkaloid

Introduction: Alkaloid

Description of Alkaloid

Alkaloid: Originally, any one of hundreds of plant and fungal products distinguished by alkaline (basic) reactions, but now restricted to heterocyclic nitrogenous and often complex structures possessing pharmacologic activity; their trivial names usually end in -ine (e.g., morphine, atropine, colchicine). Alkaloids are synthesized by plants and are found in the leaf, bark, seed, or other parts, usually constituting the active principle of the crude drug; they are a loosely defined group, but may be classified according to the chemical structure of their main nucleus. For medicinal purposes, due to improved water solubility, the salts of alkaloids (e.g., morphine sulfate, codeine phosphate) are usually used. see also individual alkaloid or alkaloid class. SYN: vegetable base.
Source: Stedman's Medical Spellchecker, © 2006 Lippincott Williams & Wilkins. All rights reserved.

Alkaloid: organic nitrogenous bases; many alkaloids of medical importance occur in the animal and vegetable kingdoms.
Source: CRISP

Alkaloid: Organic nitrogenous bases. Many alkaloids of medical importance occur in the animal and vegetable kingdoms, and some have been synthesized. (Grant & Hackh's Chemical Dictionary, 5th ed).
Source: MeSH 2007

Terms associated with Alkaloid:

More specific terms for Alkaloid:

Source - MeSH 2007

Source - CRISP

Broader terms for Alkaloid

Source - CRISP

The term Alkaloid can be used for:

Source: CRISP

Other terms that may be related to Alkaloid:

Source: CRISP

The description of Alkaloid may also be used for the following terms:

Source: CRISP

Hierarchical classifications of Alkaloid

The following list attempts to classify Alkaloid into categories where each line is subset of the next.

MeSH 2007 Hierarchy:

Interesting Medical Articles:

Medical dictionaries:

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