vitamin K(redirected from vitamin K K deficiency)
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Related to vitamin K K deficiency: Vitamin D deficiency, Vitamin C deficiency, Vitamin B12 deficiency
vitamin K[′vīd·ə·mən ¦kā]
Any of three yellowish oils which are fat-soluble, nonsteroid, and nonsaponifiable; it is essential for formation of prothrombin. Also known as antihemorrhagic vitamin; prothrombin factor.