The process of forming or developing the head and brain during embryonic development.
From Greek kephalē (head) + genesis (origin, creation, generation). This term entered scientific vocabulary in the 19th century when embryologists began systematically studying how organs develop in the womb.
Your head doesn't just appear fully formed—it develops through an incredibly intricate choreography where cells fold, migrate, and specialize. Scientists use 'cephalogenesis' to study how things can go wrong during this process, which helps them understand birth defects and develop treatments.
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