tachysterol

tachysterol definition - medical

ta·chys·ter·ol (tə-kĭsˈtə-rôlˌ, -rōlˌ)

noun
An isomer of ergosterol that forms vitamin D2 when irradiated with ultraviolet light.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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