natural history

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natural history

n.
1. The study and description of organisms and natural objects, especially their origins, evolution, and interrelationships.
2.
a. A collection of facts about the development of a natural process or entity: the natural history of tuberculosis.
b. A work or treatise containing such facts.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

Natural History

Herbal medicine
A 37-volume collection of works on plants written by Pliny (the Elder) of the Greek empire, which served as a source of information for herbalists until the 17th century.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

natural history (of disease)

The expected or predictable course of an untreated illness. The knowledge of the expected course of a disease is usually based on prior study of the effects of the illness on a large group of patients over time.
See: disease progression
See also: history
Medical Dictionary, © 2009 Farlex and Partners
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