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  • Title: [Structural organization of the intraorganic circulatory bed of the human gingiva].
    Author: Varshavskiĭ AI, Levin VN.
    Journal: Arkh Anat Gistol Embriol; 1978 Nov; 75(11):62-8. PubMed ID: 736802.
    Abstract:
    By means of injected and noninjected methods, structural organization and morphological structure of some parts of the gum microcirculatory bed have been studied in 46 persons at the age of 22--76 years. It has been stated that a fixed gum is characterized by uneven vascular distribution and zonal modulation of the microcirculatory bed. Diffuse capillary surface per 1 mm2 of the fixed gum in persons at the age of 22--50 years is 0.20--0.28 mm2. The blood volume in vessels of the gum module is distributed between arterioles and precapillary arterioles (22.4%), capillaries (27.1%), venular vessels (50.5%). In the borderline parts of the fixed gum (free gum, mucous membrane of the transitional fold) there are typical capillaries of a loop-like form. In the vicinity of epithelial fixation, vascular glomeruli are situated. In the microhemocirculatory bed of the gum, precapillary sphincters and arteriolo-venular anastomoses are revealed.
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