Strong linear correlation between cribriform plate (CP) surface area (perforate area) and cumulative cross-sectional area of the CP foramina (log-log) (r2 = 0.91, P < 0.0001, n = 19).

Deborah Bird, William Murphy, Lester Fox-Rosales, Iman Hamid, Robert Eagle & Blaire Van Valkenburgh
The more exacting metric of total CP foramina area, representing the imprint of olfactory axon bundles in the ethmoid bone, serves to validate CP surface area as a metric of relative olfactory innervation. CP surface area is the preferable metric for future studies, as it is easily quantifiable, even in skulls with some CP damage, such as fossils. CP surface area was measurable here in 26 sample species, while foramina area was measurable in only...
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