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  • Title: [Structure of lymphatic vessels in the rat thyroid gland].
    Author: Polianskaia LI, Mironov AA, Alimov GA.
    Journal: Arkh Anat Gistol Embriol; 1990 May; 98(5):14-21. PubMed ID: 2222201.
    Abstract:
    The lymphatic bed of the thyroid gland has been studied in 24 intact rats. Three techniques facilitating to reveal lymphatic vessels in the organ have been used: preparation of semithin sections, injection of the blood bed with methyl methacrylate with a successive chemical extraction of the preparations, injection of the blood bed with liquid solution of methyl methacrylate with a consecutive study of the preparations in the scanning electron microscope. Methods of electron histochemistry (revealing horseradish peroxidase) and kryofractography have been applied. Construction of the thyroid lymphatic bed, structure of the wall are described, fibroblastic membrane (F-membrane) is revealed and the signs are presented, that allow to differentiate F-membrane from endothelium of the lymphatic capillaries. The pathways of lymph outflow in the rat thyroid gland consist of the following links: interstitial space in the interlobular spaces of the gland, into them the tissue liquor (lymph) is filtered ; plates of the F-membrane regulating direction of excessive albumin-containing liquor in the lymphatic capillaries, surrounding groups of 5-11 follicles, embracing the microlobule of the gland and situating in the interlobular spaces, deferent lymphatic vessels.
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