Poi-nòng-kut
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Poi-nòng-kut (背囊骨) me cho-tet ôn-to chit-chhùi, he ngìn-lui lâu khì-thâ chit-chhùi thung-vu̍t ke yit-chúng kut-thèu.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Gray_111_-_Vertebral_column.png/200px-Gray_111_-_Vertebral_column.png)
Poi-nòng-kut (背囊骨) me cho-tet ôn-to chit-chhùi, he ngìn-lui lâu khì-thâ chit-chhùi thung-vu̍t ke yit-chúng kut-thèu.