Excerpt from The Glenoid Fossa in the Skull of the Eskimo
When an examination is made of the glenoid fossa in any skull which exhibits this shallow form, it becomes evident that this appearance is due most largely to the rolling and ¿attening out in the forward and outward di... rection of the eminentia articularis, as well as perhaps to a relatively lesser depth of fossa. Hence, in extreme cases, such as in figure 3, Plate II, the emin entia articularis merges into the fossa in a continuous straight line, while the fossa itself is wide and shallow. In intermediate forms, such as figure 6, Plate II, the eminentia, although con siderably ¿attened, yet is still slightly curved, while the 'anterior concave portion' of the fossa can now be recognized. The glenoid fossa in the skulls of modern civilized man, presents a very di¿erent appearance to this: the eminentia is high and prominent, while the concave portion is deep and very clearly defined. See diagram, Plate 1, and figures 1 and 2, Plate 11.
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