Definitions for vitamin b 12
ADVERTISEMENT
U.S. National Library of Medicine
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.
Citation
Use the citation below to add this definition to your bibliography:
"vitamin b 12." Definitions.net. STANDS4 LLC, 2013. Web. 25 May 2013. <http://www.definitions.net/definition/vitamin b 12>.