资料来源 : pyDict

尾杆骨

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Urostyle \U"ro*style\, n. [2d uro- + Gr. ? a pillar.] (Anat.)
   A styliform process forming the posterior extremity of the
   vertebral column in some fishes and amphibians.