les a bat, with its wings extended; and is divided into a central portion or body, two greater and two lesser wings extending outwards on each side of the body ; and two processes, the pterygoid processes, which project from it below. The Body is of large size, quadrilateral in form, and hollowed… … The superior surface (Fig. 101). In front is seen a prominent spine, the eth- moidal spine, for articulation with the ethmoid; behind this a smooth surface
Human anatomy
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