Bacterial action in the colon is responsible for the production of several vitamins. In particular, colonic bacteria produce a large quantity of vK. The amount of vK in the diet is usually insufficient to maintain adequate blood coagulation. Therefore, removal of the colon would predispose an individual to vK deficiency and resultant bleeding tendencies
concept tested: bacterial action in the large intestine is responsible for the majority of vK absorbed
SmokyWaters wrote:bleedin tendencies is when ileium and colon are removed as no more vit K will be absorbed from ileum and COLON both... there are bacteria in ileum as well  dear mikky...dear silver...
This statement illustrates poor understanding of intestinal histology. The small intestine is sterilised, especially ileum, albeit its connection to the cecum. Ileum is enriched with paneth cells, M cells, and lymphoid organs such as payer’s patches and lymph nodes, all these contribute to the sterilization. Ileum is responsible for the absorption of fat and lipophilic vitamin but as the answer stated, vK derived from normal dietary products is not sufficient for maintenance of blood coagulation, unless ofc you live in Norway or alike and eat loads of salmon.
Dehydration is a good answer although not the best bc hydration can be sufficiently regulated by the patient because everyone can feel thirst, but vK regulation requires physician counselling.
Edited by Jackofknives on 10/22/07 - 02:37 AM
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