頷頸骨 [颔颈－]

Jyutping ham5 geng2 gwat1
Pinyin hàn jǐng gǔ

Definitions (Wiktionary)
  1. noun, Min-Nan
    cervical vertebra
    (syn.) 頷仔骨, 後顱, 颈椎, 后颅, 頸椎, 颔仔骨