Etymology:
The word "trephine" is derived from the French word "trépan," which in turn comes from the Greek word "trypanon," meaning "borer" or "drill."
Meaning:
A trephine is a surgical instrument used to remove a cylindrical or core-shaped piece of bone from the skull or other bones. It consists of a hollow cylindrical cutter with a sharp cutting edge, attached to a handle.
Origin:
The concept of trephination, the surgical removal of a bone disc from the skull, has been practiced in ancient civilizations for thousands of years. Evidence of trephination has been found in archaeological remains from cultures in Peru, Egypt, and Europe dating back to the Neolithic period (around 10,000 BCE).
The development of modern trephines as we know them today can be traced back to the 16th century. In 1528, the French surgeon Ambroise Paré developed a trephine with a rotating cutter that allowed for more precise and efficient removal of bone. This design became the basis for later refinements and variations of the trephine.
Today, trephines are widely used in various surgical procedures, including:
Etymology Origin Greek trypanon borer drill auger Suffix an forming nouns den
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