1. Vitamin B 12 is poorly absorbed in the absence of i. Intrinsic factor 2. What is the role of hematopoietic growth factors? a. To influence hemocytoblasts to give rise to specific formed elements 3. A platelet plug is formed when fibrinogen is converted to fibrin.
Vitamin B 12 cannot be absorbed into the body unless it is combined with IF. Therefore, either an absence of B 12 in diet or inability of the stomach to make IF can result in B 12 deficiency. Some fermented bean products such as tofu, tem-peh, natto, tamari,.
When the secretion of intrinsic factor is decreased by lesions that destroy the gastric mucosa (eg, following ingestion of corrosives or in patients with extensive GI neoplasia) or by gastric atrophy secondary to multiple sclerosis, certain endocrine disorders, or iron deficiency, or when antibodies to intrinsic factor are present in gastric juice, absorption of vitamin B12 is decreased and.
2/7/2017 · Vitamin B12 is necessary for normal metabolism of nerve tissue and is involved in protein, fat and carbohydrate metabolism. B12 aids folic acid in the synthesis of choline. It helps the placement of vitamin A into body tissues. B12 is poorly absorbed unless intrinsic factor, a mucoprotein secreted in the stomach, is present.
Vitamin B12 | C63H89CoN14O14P – PubChem, Vitamin B12 | C63H89CoN14O14P – PubChem, Vitamin B12 – an overview | ScienceDirect Topics, Vitamin B12 | C63H89CoN14O14P – PubChem
