ergosterol

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Definitions from WordNet

Noun ergosterol has 1 sense

ergosterol - a plant sterol that is converted into vitamin D by ultraviolet radiation
--₁ is a kind of sterol, steroid alcohol
--₁ is a substance of
vitamin D, calciferol, viosterol, ergocalciferol, cholecarciferol, D

Definitions from the Web

Ergosterol

Definition: Ergosterol is a sterol compound found in fungi, and it serves as a precursor for the synthesis of vitamin D.

Noun (Biochemistry)

Sense: A sterol compound found in the cell membranes of fungi.

Sample Sentence: The presence of ergosterol in the cell membrane contributes to the structural integrity of fungi.

Noun (Medicine)

Sense: A lipid molecule used as a precursor in the production of vitamin D in the skin upon exposure to ultraviolet B (UVB) rays.

Sample Sentence: Adequate sunlight exposure is essential for the synthesis of ergosterol in the skin, which ultimately leads to the production of vitamin D.