Chinese

edit
For pronunciation and definitions of – see 內骨骼 (“endoskeleton”).
(This term is the simplified form of 內骨骼).
Notes:

Japanese

edit
Kanji in this term
ない
Grade: 2
こつ > こっ
Grade: 6
かく
Hyōgai
on'yomi
Alternative spelling
內骨骼 (kyūjitai)
For pronunciation and definitions of 内骨骼 – see the following entry.
内骨格ないこっかく
[noun] (anatomy) an endoskeleton
(This term, 内骨骼, is an alternative spelling (dated) of the above term.)