以前一直认为毛囊这个负责头发生长的微小结构是在出生之前就形成了的，秃头是因为毛囊的不断死亡引起的。
It had been thought that follicles, the tiny structures responsible for hair growth, were always formed before birth, with their gradual death leading to baldness.
淋巴小结通常制造淋巴球，形成在较常接触这类物质的区域。淋巴系统会合并并成为固定存在，例如在扁桃腺之中。
Smaller nodules, which often produce lymphocytes, form in areas more exposed to such materials. They can merge and become permanent, as in the tonsils.
缺血后脑的病理改变以神经细胞变性、固缩和退变，皮层下白质的神经纤维和髓鞘溃变为主，普遍存在胶质细胞增生，形成胶质小结。
There were obvious pathological change in the brain after the chronic cerebral hypoperfusion, such as myelinic degeneration and formation of glial nodule in white matter.
结果：造模4周后大鼠形成典型小结节性肝硬化，6周后模型组大鼠肝组织损伤较4周时有所缓解。
Results: 4 weeks after modeling, typical micronodular cirrhosis formed, and 6 weeks after modeling, the hepatic injury in the model group had some remission as compared with that at 4 weeks.
病变早期为小结节状，晚期形成侵蚀性溃疡，病程缓慢，很少转移。
Its shape changes from small nodule in the early stage to erosive ulcer in the later.
听石由许多小结晶的耳石形成。
听石由许多小结晶的耳石形成。
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