Plate 10.198 Lamina Propria
Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger,
Peer Review Status: Externally Peer Reviewed
Rhesus monkey, Helly's fluid, H. & E., 612 x.
Lamina propria forms the connective tissue core of the villus and fills the spaces between glands. Primarily a reticular tissue framework with numerous lymphocytes, eosinophils, and plasma cells. Single smooth muscle fibers derived from the muscularis mucosae are oriented longitudinally. Eosinophilic leucocytes and lymphocytes migrate from blood vessels. The lymphocytes seen here are of the small variety, which are immunologically competent. The abundant plasma cells manufacture most of the antibody proteins.
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