BIPEDAL MODIFICATIONS. “These morphological changes had the effect of changing the orientation of the cribifrom plate from a vertical to a more horizontal manner. This resulted in a conversion of the mammalian olfactory nose into the human ethmoid complex, partitioned on each side in two clinically relevant compartments: The olfactory cleft medially and the ethmoid labyrinth laterally (in which the olfactory mucosa has disappeared).”
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