尾龍骨
尾龍骨（coccyx讀/ˈkɒksɪks/，眾數coccyges；英文tailbone），正寫尾尻骨（尻讀烤 haau1），又叫尾骶骨、尾骨、，係人同猿之類，脊骨最尾一段。佢上接薦骨，畧成三角型，由四骨仔合成。
註
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