parietal angle


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pa·ri·e·tal an·gle

an angle formed by the meeting of the prolongation of two lines tangential to the most prominent part of the zygomatic arch and to the parietofrontal suture on each side; when the lines remain parallel the angle is zero; when they diverge it is negative.
Synonym(s): Quatrefages angle

parietal angle

The angle formed by the meeting of a line drawn tangent to the maximum curve of the zygomatic arch and a line drawn tangent to the end of the maximum frontal diameter of the skull. If these lines are parallel, the angle is zero; if they diverge, a negative angle is formed.
See also: angle

Quatrefages de Breau,

Jean L.A. de, French naturalist, 1810-1892.
Quatrefages angle - formed by the meeting of the prolongation of two lines tangential to the most prominent part of the zygomatic arch and to the parietofrontal suture on each side. Synonym(s): parietal angle
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