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应用连续切片和解剖显微镜观察冬青油透明胸腺厚切片(300um)组织方法,对52例15岁以下尸检胸腺进行比较,观察胸腺在意外性萎缩和基本正常时胸腺小体的变化,并重筑和观察胸腺小体立体结构。结果表明,胸腺意外性萎缩的胸腺小体数明显增多,最大径大于正常组;胸腺小体变性囊性扩张、崩解解体、钙化。首次观察到,人类胸腺小体立体结构形态有两种,一种为散在分布,单个孤立圆形、椭圆形小体;另一种为数个小体聚集一起并相互间由实性网状上皮细胞索连接成小珊瑚状,弯曲蚯蚓状、队列串珠状结构。随着胸腺发生意外性萎缩,胸腺小体形态可多样化。
Continuous slicing and dissection microscopy were used to observe the tissue thickness of transparent thymus (200um) in holly oil. 52 cases of thymus under 15 years old were compared, and the changes of thymus body were observed when the thymus was unexpectedly atrophied and basically normal, and reconstructed and observed. Thymus body three-dimensional structure. The results showed that the number of thymus bodies with unexpected thymus atrophy increased significantly, and the maximal diameter was larger than that of the normal group; the thymus body degeneration was cystic disintegration, disintegration, and calcification. It was observed for the first time that there are two kinds of three-dimensional structural morphologies of human thymus, one is a scattered distribution, a single isolated round, and an oval body; the other is a collection of several small bodies that are aggregated with each other and are solid reticular epithelial cells. The ropes are connected into small corals, curved and cocooned. With the unexpected shrinkage of the thymus, the thymus body can be diversified.