osteocranium

noun
os·​teo·​cra·​ni·​um | \ -ˈkrā-nē-əm How to pronounce osteocranium (audio) \
plural osteocraniums or osteocrania\ -​nē-​ə How to pronounce osteocrania (audio) \

Medical Definition of osteocranium

: the bony cranium especially : the parts of the cranium that arise in membrane bone — compare chondrocranium

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