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  • Title: [Organization of the cavernous structures of the human rectum].
    Author: Datsun IG.
    Journal: Arkh Anat Gistol Embriol; 1983 May; 84(5):41-8. PubMed ID: 6882221.
    Abstract:
    By means of complex histological and injection methods, including roentgenovasography and morphometry, 140 preparations of the human rectum have been studied during the late and middle fetal period, as well as during all periods of the postnatal ontogenesis. On the lateral walls of the columnar zone of the anal canal, places where the internal haemorrhagic nodes occur especially often, peculiar incapsulated and nonincapsulated microglomal cavernous bodies have been revealed. A large vascular peduncle connects them with the superior rectal artery and vein (according to 2-4 and 8-10 o'clock on the clock face) as complexes consisting of 2-3 penicilli and glomeruli. They are connected with the portocaval anastomoses of the initial multicanal anal-columnar sources of the superior and inferior rectal veins. The latter have various obturative mechanisms represented as microvalves, subintimal muscular toruli and arteriol-venular shunts of the obturative glomal and combined type.
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