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  • Title: [Endocrine cells of the mucous membrane of the fundus region of the stomach of hibernating rodents].
    Author: Vinogradova MS, Guvakova TV.
    Journal: Arkh Anat Gistol Embriol; 1976 Mar; 70(3):62-5. PubMed ID: 1275715.
    Abstract:
    The gastric mucous membrane was studied in the hibernating animal Citellus erythrogenys in different seasons (during 7-8 months a year the animal is in hibernation and its digestive tract is not functioning). During hibernation the general amount of enterochromaffin-like cells decreases and their composition changes: the number of active cells diminishes and that of less active cells grows. Such dynamics of cells suggests the participation of enterochromaffin-like cells of Citellus erythrogenys in the regulation of gastric secretion (in rats and mice these cells contain histamine stimulating the mucous membrane glands). The amount of true enterochromaffin cells is not sufficiently changed and they seem to be not directly related with digestion but to be producers of serotonin which (together with serotonin of the brain) takes part in sustaining the mechanisms of appearance and supporting of winter hibernation.
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