occipital bone
US /ɑːkˈsɪpɪtl boʊn/
UK /ɑːkˈsɪpɪtl boʊn/

1.
hueso occipital
the bone that forms the back and base of the skull, and through which the spinal cord passes
:
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The neurosurgeon carefully examined the patient's occipital bone for any fractures.
El neurocirujano examinó cuidadosamente el hueso occipital del paciente en busca de fracturas.
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The foramen magnum, a large opening, is located at the base of the occipital bone.
El foramen magno, una gran abertura, se encuentra en la base del hueso occipital.