infraorbital margin infraorbital margin the infraorbital margin is the lower margin of the eye socket. infraorbital marginskull, anterior view, with infraorbital margin labeled in red.detailsidentifierslatinmargo infraorbitalista98a02.1.00.072ta2476fma53177anatomical terminology structure it consists of the zygomatic bone and the maxilla, on which it separates the anterior and the orbital surface of the body of the maxilla. function it is an attachment for the levator labii superioris muscle. authority control terminologia anatomica this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.