also: エラぼね · えらぼね
noun
Anatomical term for the jawbone; often used in medical or biological contexts. Cross-referenced with 顎骨 (jawbone).
See also: 顎骨
鰓骨は下顎を形成する主要な骨です。
The jawbone is the main bone that forms the lower jaw.
魚のエラ骨を取り除いてから調理する。
Remove the fish's jawbone before cooking.
noun
branchial arches; gill arches
Specifically refers to the bony structures supporting the gills in fish; used in ichthyology and anatomy.
魚のえら骨は呼吸に重要な役割を果たす。
The gill arches of fish play an important role in respiration.
顎骨 is a more general term for jawbone, while 鰓骨 can also refer specifically to gill arches in fish.
Compound of 鰓 (gills) and 骨 (bone). The reading さいこつ is the on'yomi, while えらぼね is a kun'yomi compound. The exact historical derivation is uncertain, but the term is used in anatomical contexts.