後こう頭とう骨こつ

こ

う

と

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こ

つ

Meanings

1

noun

occipital bone

anatomy

Anatomical term for the bone forming the back and base of the skull.

behind, back, later

頭head, counter for large animals

骨skeleton, bone, remains

頭ず蓋がい骨こつ
頭蓋骨 is the general term for the skull as a whole, while 後頭骨 specifically refers to the occipital bone.

From 後頭 (back of the head) + 骨 (bone).