释义 |
de·hy·dro·cholesterol \dē|hīdrō+\ noun Etymology: dehydr- + cholesterol : a crystalline steroid alcohol C27H43OH that occurs chiefly in higher animals and man (as in the skin), that is made synthetically from cholesterol, and that yields vitamin D3 on irradiation with ultraviolet light — called also 7-dehydrocholesterol |