[Ultrastructural changes in the proper layer of the mucous membrane of the duodenum following general gamma-irradiation]. 1975

R A Brodskiĭ, and E M Parshkov, and L N Bandurko

The work has been performed on mature male Wistar rats which were irradiated in a "Gamma-Sell-220" apparatus in the dose of 1000 r, with thepower 42 r/sec. It has been shown that in early terms after irradiation (1-6 hours) slightly pronounced destructive changes were observed in cellular and fibrous structures of the stroma of theproper layer of the duodenum membrane in addition to pronounced exudative changes. Further, the latter increased and became maximum within 24 hours. The edema extends into the basal part of enterocytes and between the stroma cells giving rize to desorganization of all mucous membran elements. Seventy two hours after irradiation the destructive changes in cellular and fibrous structures of the mucous membrane layer proper became predominant. The authors make a conclusion that the changes in the stroma aggravate dysfunction of the epithelium injured by the irradiation energy.

UI MeSH Term Description Entries
D007413 Intestinal Mucosa Lining of the INTESTINES, consisting of an inner EPITHELIUM, a middle LAMINA PROPRIA, and an outer MUSCULARIS MUCOSAE. In the SMALL INTESTINE, the mucosa is characterized by a series of folds and abundance of absorptive cells (ENTEROCYTES) with MICROVILLI. Intestinal Epithelium,Intestinal Glands,Epithelium, Intestinal,Gland, Intestinal,Glands, Intestinal,Intestinal Gland,Mucosa, Intestinal
D008297 Male Males
D011830 Radiation Effects The effects of ionizing and nonionizing radiation upon living organisms, organs and tissues, and their constituents, and upon physiologic processes. It includes the effect of irradiation on food, drugs, and chemicals. Effects, Radiation,Effect, Radiation,Radiation Effect
D004386 Duodenum The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers. Duodenums
D004848 Epithelium The layers of EPITHELIAL CELLS which cover the inner and outer surfaces of the cutaneous, mucus, and serous tissues and glands of the body. Mesothelium,Epithelial Tissue,Mesothelial Tissue,Epithelial Tissues,Mesothelial Tissues,Tissue, Epithelial,Tissue, Mesothelial,Tissues, Epithelial,Tissues, Mesothelial
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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