Relating to the diploë, the spongy bone tissue found between the hard outer and inner layers of the skull.
From Greek 'diplos' (double) + '-ic' (relating to). In anatomy, the diploë is the middle cancellous layer of skull bone, so 'diploic' describes anything related to this dual-layered bone structure.
Your skull is like a sandwich—the diploic bone is the fluffy, spongy filling in the middle that makes your head lighter while keeping it strong, kind of like foam padding.
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