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Vitamin K - Coggle Diagram
Vitamin K
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History
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Discovered in 1920s. H.dam ..(chicks who got fed low-fat cholestrol-free diet became hemorrhagic (blood took long time to clot) missing vitamin k corrected it
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Transport
Whitin the enterocytes, Phylloquinone is incorporated into chylomicrons that enter the lymphatic and then the circulatory system for transport to tissue
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Absorption
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Menaquinones are synthesized by some bacteria in lower digestive tracts and absorbed by passive diffusion from ileum and colon
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Storage
Stored primarily in cell membrane in several tissues including lungs kidneys bone marrow adrenal gland
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Toxicity
ingestion of large amounts of phylloquinone and menquinone has not been shown to cause toxicity and no tolerable upper intake level