- ampullar bony crura
- ampullary osseous crura
- crura ossea ampullaria
- 壶腹: ampulla
- 骨: bone
- 脚: role; part; character
- 骨脚: bony crura; bony limb; crura ossea; cruraossea; osseous crura; osseouscrura
- 单骨脚: crus osseum simplex; simple bony crus
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