エラ骨、えら骨、鰓骨
エラぼね、えらぼね、さいこつ
erabone
JMdict entry #2831483
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noun (common) (futsuumeishi)
jawbone; mandible
see: 顎骨
- noun (common) (futsuumeishi) branchial arches (in fish); gill arches
JMdict entry #2831483