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  • Title: [Ultrastructure of lymphatic capillaries of the wall of the small intestine].
    Author: Pestereva NA.
    Journal: Arkh Anat Gistol Embriol; 1981 Jul; 81(7):35-41. PubMed ID: 7295050.
    Abstract:
    Ultrastructure of initial parts of the small intestine lymphatic bed has been studied in 16 rats and 36 cats. Certain ultrastructural peculiar features have been revealed in the lymphatic capillaries: their endothelium has no fenestrae, the basal membrane is absent. Junctions between the endothelial cells can be closed, complex, simple and open which is evidently depends on the phase of the organ's work. For the post-capillaries, which make an intermediate link between the lymphatic capillaries and vessels, an intermittent basal membrane and valves formed by invagination of their wall are specific features. Junctions between the endotheliocytes of the postcapillaries are mainly closed, but simple open ones occur now and then; that demonstrates certain drainage and transport functions of this part of the lymphatic bed.
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