Orbital margin
Margo orbitalis
Definition
The orbital margin (Margo orbitalis) is nearly circular. It is limited by a prominent edge:
-the supraorbital margin (Margo supraorbitalis) is the dorsal part of the prominent edge of the orbital opening (Aditus orbitalis). It is formed by the lacrymal and frontal bones.
-the infraorbital margin (Margo infraorbitalis) is the ventral part of the prominent edge of the nearly circular orbital opening (Aditus orbitae).It belongs to the zygomatic bone.
References
Anatomie comparée des mammifère domestiques - 5th edition - Robert Barone - Vigot
