The results showed the thymus of ostrich chicks lay in the back of neck along two sides and clustered together there was typical Hassall corpuscles .
结果显示：雏鸵鸟 胸腺分叶少，仅 分布在颈部 后段两侧，且聚集在一起，髓质 内有典型的Hassall 小体。
In group II the volume of thymus corpuscles was small and the number of thymus corpuscles was few ;
Ⅱ组鸡的 胸腺 小体体积小且数量少；
The thymus atrophied the number of lymphocytes and thymic corpuscles decreased obviously .
胸腺萎缩，淋巴细胞与胸腺 小体明显减少；
[医] 胸腺小体，哈塞耳氏小体