Definitions of vitamin b 12

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Definition of 'vitamin b 12'

U.S. National Library of Medicine

1. vitamin b 12
A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12.

'vitamin b 12' - Nearby Entries
vital signs vitallium vitamin a deficiency vitamin b 12 vitamin b 12 deficiency vitamin b 6 vitamin b 6 deficiency

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