vitamin D catabolic process
The chemical reactions and pathways resulting in the breakdown of vitamin D, any of a group of related, fat-soluble compounds that are derived from delta-5,7 steroids and play a central role in calcium metabolism. Specific forms of vitamin D include calciferol (ergocalciferol; vitamin D2) and cholecalciferol (calciol; vitamin D3).
GO:0006706
steroid catabolic process
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GO:0042359
vitamin D metabolic process
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GO:0042363
fat-soluble vitamin catabolic process
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calciferol catabolic process
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calciferol catabolism
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cholecalciferol biosynthesis
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cholecalciferol biosynthetic process
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ergocalciferol biosynthesis
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ergocalciferol biosynthetic process
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vitamin D breakdown
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vitamin D catabolism
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vitamin D degradation
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