See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
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Orthomolecular medicine (orthomolecular nutritional medicine, orthomolecular therapy)(health)

zonal (medicine)


zonal


Of or pertaining to a zone; having the form of a zone or zones. Zonal equation, a structure characterised by the arrangements of colour, inclusions, etc, of a crystal in parallel or concentric layers, which usually follow the outline of the crystal, and mark the changes that have taken place during its growth. Zonal symmetry.

<biology> See the Note under Symmetry.

Origin: L. Zonalis.

Source: Websters Dictionary