infraorbital margin

in·fra·or·bit·al mar·gin

the inferior half of the orbital rim, or the lower border of the orbital opening, formed by the maxilla medially and the zygomatic bone laterally. See: orbital margin.

in·fra·or·bit·al mar·gin

(infră-ōrbi-tăl mahrjin)
Inferior half of orbital rim, or the lower border of orbital opening, formed by maxilla medially and the zygomatic bone laterally.