From the case:
Skull positioning lines (diagram)
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Skull positioning lines:
- glabellomeatal line (GML)
- orbitomeatal line (OML)
- infraorbitomeatal line (IOML)
- acanthiomeatal line (AML)
- lipsmeatal line (LML)
- mentomeatal line (MML)
- external acoustic meatus (EAM)
Case Discussion
Diagram of the skull AP view. Modified image from Gray's anatomy via Wikimedia Commons. The original image can be seen at (https://commons.wikimedia.org/wiki/File%3AGray188_no_text_bw.png)