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首页> 外文期刊>Biology Bulletin >Structural Organization of Mesenteric Lymph Nodes in Postnatal Development of the Baikal Seal, Pusa sibirica Gmel
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Structural Organization of Mesenteric Lymph Nodes in Postnatal Development of the Baikal Seal, Pusa sibirica Gmel

机译：贝加尔湖海豹，Pusa sibirica Gmel产后发育中的肠系膜淋巴结的结构组织

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Structural organization of mesenteric lymph nodes in the Baikal seal has been studied with regard to its age-dependent changes. It has been shown that the relative area of connective tissue structures (the capsule and trabeculae) increases during postnatal development, while the areas of the cortex and medulla decrease. The proportions of secondary lymph nodes and paracortical zone in the cortex become smaller, with the corticome-dullary index tending to decrease with age. These phenomena indicate that mesenteric lymph nodes undergo regression during postnatal ontogeny, with their lymphopoietic function being attenuated. Lower values of the corticomedullary index in Baikal seal pups aged 1 month to 4 years are apparently explained by a decrease in the proportion of cortex substance related to the enhancement of the motor function of lymph nodes.
机译：贝加尔湖海豹肠系膜淋巴结的结构组织已针对其年龄变化进行了研究。已经显示，在出生后发育期间，结缔组织结构（胶囊和小梁）的相对面积增加，而皮质和髓质的面积减少。皮质中次要淋巴结和皮层旁区的比例变小，皮质-双盲指数趋于随着年龄而降低。这些现象表明，肠系膜淋巴结在产后发育过程中会退化，其淋巴系统功能减弱。 1个月至4岁的贝加尔湖海豹幼崽的皮质肾小管指数较低，显然是由与淋巴结运动功能增强有关的皮质物质比例减少所解释的。

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