疏松区内主要有淋巴组织索、结缔组织网状索和索间淋巴窦，也有淋巴小结。
There are lymphatic tissue cords, connective tissue cords and intercord lymph sinus and lymphatic nodules also in the loose areas.
结果表明，大鼠发生淋巴郁滞性脑水肿，光镜下见脑组织疏松，血管周围出现间隙，神经元轻度变性；
Under light microscopy, the brain tissue was loose, the perivascular spaces could be observed and some neurons showed slight degeneration.
阳性病例的切片经光镜组织学检查，8例有轻微的肝组织病理改变，包括肝细胞胞浆疏松化、嗜酸性变以及汇管区的扩大和淋巴细胞浸润等。
Among 11 positive cases, 8 liver samples mild histological changes could been found, such as swollen, acidophilic degeneration, and lymphocytic infiltrate in portal tract.
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