dictionary help| vitamin B12 | medical dictionary |
<chemical>
<biochemistry> Member of the water soluble B vitamin group, important in the proper function of the nervous system and important in proper carbohydrate, protein and fat metabolism.
A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B12 from the soil and so are a poor source of the substance as compared with animal tissues.
Pharmacological action: haematinics.
Chemical name: Vitamin B12
(12 Dec 1998)
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