羽茎瘤
来自维基百科,自由的百科全书
羽茎瘤是鸟类的次级飞羽(secondaries)或初级飞羽(primaries)通过韧带与骨骼相连接的地方,在相应骨骼上表现为小突起。
参考来源
- ScienceDaily (Sep. 20, 2007) Velociraptor Had Feathers (页面存档备份,存于互联网档案馆)
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来自维基百科,自由的百科全书
羽茎瘤是鸟类的次级飞羽(secondaries)或初级飞羽(primaries)通过韧带与骨骼相连接的地方,在相应骨骼上表现为小突起。
Seamless Wikipedia browsing. On steroids.