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The variations in length of the pterygoid process as a function of the variations of the sphenoid angle

1968; Wiley; Volume: 160; Issue: 3 Linguagem: Inglês

10.1002/ar.1091600302

1097-0185

Branislav Vidić,

Nasal Surgery and Airway Studies

Abstract The variation in the length of the pterygoid process was studied as a function of the sphenoid angle. Three hundred human skulls and ten skulls of certain animals (dog, sheep, pig, ox, horse) were appropriately measured. The length of the pterygoid process (lateral plate), was measured in all instances from the point of junction between the lamina and the greater wing of the sphenoid to the midpoint of the lower margin of the lamina. The average value of this dimension in man was 34.7 mm with variations from 28.0 mm to 44.5 mm. The average value of the length of the pterygoid process was found separately in male and female skulls; in different age groups; in skulls with narrow versus wide sphenoid angle; in skulls possessing a short versus a long nasion — basion distance. In each instance the values are compared and the standard deviation ascertained. The results of measurements made in man and animals are presented in a table.