第5染色体的特点是有一个近侧的节结。
近鸟龙的腕骨呈深楔形，因此它可以将前肢折叠到身体两侧，行走时前肢上的羽毛可以悬空，不会拖在地面上。
Anchiornis's wrist bone was so wedge-shaped that it could fold its arms to its sides, keeping its arm feathers off the ground as it walked.
进展期胃近侧癌的淋巴结转移和手术治疗。
Lymph node metastasis and its surgical treatment in advanced proximal gastric cancer.
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