parietal bone

American  

noun

Anatomy.

1. either of a pair of membrane bones forming, by their union at the sagittal suture, part of the sides and top of the skull.

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parietal bone British  

noun

1. either of the two bones forming part of the roof and sides of the skull

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Etymology

Origin of parietal bone

First recorded in 1695–1705

Example Sentences

See Examples For:

parietal bone

Viola says that the Xuchang skulls don’t resemble his parietal bone fragment.

From Nature ● Feb. 26, 2019

Archaeologists excavating Denisova Cave in 2016 discovered a freshly broken chunk of parietal bone — part of the skull — that contains mitochondrial DNA from a Denisovan.

From Nature ● Feb. 26, 2019

Each parietal bone is also bounded anteriorly by the frontal bone, inferiorly by the temporal bone, and posteriorly by the occipital bone.

From Textbooks ● Jun. 19, 2013

At the intersection of four bones is the pterion, a small, capital-H-shaped suture line region that unites the frontal bone, parietal bone, squamous portion of the temporal bone, and greater wing of the sphenoid bone.

From Textbooks ● Jun. 19, 2013

This implies the development of the adult parietal bone in the orang from two original segments, one above the other.

From A Bilateral Division of the Parietal Bone in a Chimpanzee; with a Special Reference to the Oblique Sutures in the Parietal by Hrdlička, Aleš