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Having a narrow face as compared with the width of the cranium (head), so that, when the skull is viewed from above, the zygomatic arches are not visible.

The zygomatic arches are formed by the temporal process of the zygomatic bone (bone which forms the prominence of the cheek) that joins the zygomatic process (arch of bone beneath the orbit) of the temporal bone or the large irregular bone situated in the base and side of the skull.

This entry is located in the following units: crypto-, crypt- (page 7) zygo-, zyg-, -zygous; zygomatico- + (page 1)