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词汇 calciferol
释义

Definition of calciferol in English:

calciferol

noun kalˈsɪfərɒl
mass nounBiochemistry
  • One of the D vitamins, a sterol which is formed when its isomer ergosterol is exposed to ultraviolet light, and which is routinely added to dairy products.

    〔生化〕麦角钙化醇,钙化甾醇,维生素D2.亦称ERGOCALCIFEROL ,vitamin D2

    Also called ergocalciferol, "vitamin D2"
    Example sentencesExamples
    • Although several chemical compounds provide vitamin D activity, only two of these substances are commonly found in the diet of animals: vitamin D 2, or calciferol, and vitamin D 3.
    • Although called a vitamin, calciferol and its products fully qualify as hormones because they are made in certain cells, carried in the blood, affect gene transcription in target cells.
    • Here's what you need to know about vitamin D (calciferol) - how much you need, what it does for your body, good food sources, cautions and side effects.
    • Vitamin D, also called calciferol, is a vitamin that dissolves in the body's fat.
    • The physiotherapist delivered vitamin D tablets (two 1.25 mg calciferol tablets initially and then one monthly for one year) to those not already taking this supplement.
    • Vitamin D is also referred to as calciferol and can rightly be called the sunshine vitamin, since the body, in a sunny climate can manufacture this nutrient from sunshine on your skin using cholesterol from your body to do so.

Origin

1930s: from calciferous + -ol.

Definition of calciferol in US English:

calciferol

noun
Biochemistry
  • One of the D vitamins, a sterol which is formed when its isomer ergosterol is exposed to ultraviolet light, and which is routinely added to dairy products.

    〔生化〕麦角钙化醇,钙化甾醇,维生素D2.亦称ERGOCALCIFEROL ,vitamin D2

    Also called ergocalciferol, "vitamin D2" (see vitamin D)
    Example sentencesExamples
    • Although several chemical compounds provide vitamin D activity, only two of these substances are commonly found in the diet of animals: vitamin D 2, or calciferol, and vitamin D 3.
    • Vitamin D, also called calciferol, is a vitamin that dissolves in the body's fat.
    • The physiotherapist delivered vitamin D tablets (two 1.25 mg calciferol tablets initially and then one monthly for one year) to those not already taking this supplement.
    • Vitamin D is also referred to as calciferol and can rightly be called the sunshine vitamin, since the body, in a sunny climate can manufacture this nutrient from sunshine on your skin using cholesterol from your body to do so.
    • Here's what you need to know about vitamin D (calciferol) - how much you need, what it does for your body, good food sources, cautions and side effects.
    • Although called a vitamin, calciferol and its products fully qualify as hormones because they are made in certain cells, carried in the blood, affect gene transcription in target cells.

Origin

1930s: from calciferous + -ol.

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