Etymology:
The word "skull" derives from Old Norse "skalli," meaning "bowl" or "vessel." The term was initially used to refer to the shell or protective covering of something.
Meaning:
In anatomy, the skull is the bony framework of the head that encases and protects the brain. It consists of various bones that form a complex structure, including the cranium, mandible (jawbone), and other accessory bones.
Origin:
The skull is a fundamental anatomical feature that evolved in vertebrates to protect the delicate and vital brain. The earliest known skulls appeared in primitive agnathans (jawless fish) around 480 million years ago. Over time, the skull underwent evolutionary modifications and adaptations in different vertebrate groups, serving various functions beyond protection, such as feeding, mating rituals, and defense.
Cultural Significance:
The skull has held cultural and symbolic importance in many societies throughout history:
Etymology The word shell comes from the Old Norse word skjel meaning husk or cov
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Etymology The word skull derives from Old Norse skalli meaning bowl or vessel
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Etymology The word head comes from the Old English word heafod which itself derives
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