结果：淋巴结皮质的不同区域对高、低剂量电离辐射的敏感性均不同。
Results: the sensitivity to high and low dose ionizing radiation was distinct in different area of the cortex.
目的：研究不同剂量X射线全身照射对小鼠淋巴结皮质细胞凋亡的影响。
Objective: to study the alteration of apoptosis in the cortex of mouse lymph node following whole body Xirradiation.
组织病理学可见淋巴结皮质区或副皮质区坏死，代之以组织细胞及淋巴细胞增生，伴核碎屑，坏死区内无中性粒细胞浸润。
Histopathology shows the necrosis of cortex or paracortex of lymph node, with histiocytes and lymphocyte proliferation, nuclear debris and without infiltration of neutrophils.
淋巴结内衰老细胞主要分布于皮质淋巴小结之间和髓质。
In the lymph node, the senescent cells mainly appeared in the zone between lymph nodules, and in the medullary cord and sinus.
这些解剖部分也代表了皮质功能区，它的初级和刺激淋巴结主要由B细胞组成。
These anatomical divisions also represent functional compartments in that the cortex, with its primary and secondary lymphoid follicles, is composed largely of B cells.
这些解剖部分也代表了皮质功能区，它的初级和刺激淋巴结主要由B细胞组成。
These anatomical divisions also represent functional compartments in that the cortex, with its primary and secondary lymphoid follicles, is composed largely of B cells.
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