Dictionary of Human Evolution and Biology

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Rhinial Index

Index of facial flatness, mid-orbital subtense multiplied by 100 and divided by the midorbital chord. The midorbital chord is the distance between the points on the lower border of the orbit where the zygomatic and maxilla bones join. The midorbital subtense is the lower tip of the suture between the nasal bones.

See frontal index, premaxillary index, simotic index.

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