Incapacitating agent

Inca Bone

The Inca bone, also known as the os incae or Inca's bone, is an anatomical structure found in the human skull. It is a rare anatomical variation that is more commonly observed in certain populations, such as those of Inca descent, hence its name.

Anatomy

The Inca bone is an extra bone that is located at the lambdoid suture, which is the junction between the occipital bone and the two parietal bones of the skull. It is typically triangular or quadrangular in shape and varies in size. The presence of an Inca bone is considered a normal variant and does not typically cause any symptoms or health problems.

Epidemiology

The prevalence of the Inca bone varies widely among different populations. It is most commonly found in populations of Inca descent, with some studies reporting a prevalence of up to 40%. However, it can also be found in other populations, albeit at a lower frequency.

Clinical Significance

While the Inca bone is generally considered a normal anatomical variant, it can have clinical significance in certain situations. For example, it can complicate surgical procedures involving the skull, as it can be mistaken for a fracture on imaging studies. Therefore, it is important for clinicians to be aware of this variant when interpreting radiographic images.

History

The Inca bone was first described in the scientific literature in the 19th century. It was named after the Inca Empire, as it was initially thought to be more common in individuals of Inca descent. However, subsequent research has shown that it can be found in individuals of various ethnic backgrounds.

See Also

• Human skull
• Bone
• Inca Empire

References

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Incapacitating agent

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