Parietal bone

SITUATION

Bone par, located in the upper half of the skull, behind the front, in front of the occipital and temporal above.

CONFIGURATION

It has two faces and four edges.

  exocraneal FACE

Convex presents:

☻  The superior temporal curved line, which gives insertion to the temporal aponeurosis.

☻  The inferior temporal curved line, which gives insertion to the temporal muscle.

☻  The parietal hump.

☻  The parietal hole for an emissary vein.

  endocranial FACE

Concave, it presents:

☻  The parietal fossa covered by canals to the middle meningeal artery and its branches.

☻  The semicanal for the superior sagittal sinus.

☻  The silviana crest, which corresponds to the Sylvian fissure.

  TOP EDGE

It articulates with the opposite parietal forming the sagittal suture smoother whose back is called Obelion.

  BOTTOM EDGE

It articulates with the temporal squama.

  EDGE PAST

It articulates with the front forming the coronal suture.

  EDGE BACK

It articulates with the occipital the lambdoid suture forming

  ANGLES

☻  The anterior is called bregma.

☻  The posterosuperior is called lambdoidal.

☻  The truncated anterior part of pterion to articulate with the sphenoid.

☻  The posterior part of the asterion and articulates with the angle between the scale and the temporal mastoid.

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