Medical term:

7-dehydrocholesterol

7-de·hy·dro·cho·les·ter·ol

(dē-hī'drō-kō-les'tĕr-ol),

A zoosterol in skin and other animal tissues that on activation by ultraviolet light becomes antirachitic and is then referred to as cholecalciferol (vitamin D3).

Synonym(s): provitamin D3

Farlex Partner Medical Dictionary © Farlex 2012

7-dehydrocholesterol

(dē-hī″drō-kŏ-les′tĕ-rol″)

A steroid precursor of vitamin D that converts to the vitamin when skin is exposed to sunlight.

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