Inca Bone

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Related to interparietal bone: parietal bone, Inca Bone
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Inca Bone

 

an anomaly of the human skull; it is divided by a suture from the upper part of the occipital bone. It looks like a multiangular insertion. It is called “Inca bone” because the anomaly was first discovered in the skulls of the ancient Incas of Peru. However, it is distributed in representatives of all human races (up to 10 percent). The Inca bone is sometimes further divided into two to four parts, according to the number of centers of ossification.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
These skulls were examined for the presence of the interparietal bone and the incidence of the same was recorded.
Out of total 289 skulls examined, 23 skulls were found to have interparietal bones. Total incidence of interparietal bone was 7.96 percent.
In two cases, the interparietal bone presents two pieces of bones.