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Skull Anatomy
Point and Line names on the Face for Imaging
| Term | Definition |
|---|---|
| mental point/mentum | midpoint of chin |
| nasion | slight depression at bridge of nose |
| supraorbital margin | superior rim of orbital base |
| vertex | most superior point of head |
| outer canthus | lateral junction of eyelids |
| acanthomeatal line | EAM to acanthion |
| Glabellomeatal line | EAM to glabella |
| Infraorbitalmeatal line | EAM to infraorbital margin |
| Interpupillary line | Transverse line between outer canthi |
| Mentomeatal line | EAM to mental point |
| Mid-sagittal/median sagittal plane | divides head into right and left halves |
| orbitomeatal line | EAM to outer canthus |
| Inner canthus | medial junction of upper and lower eyelids |
| Inion/ external occipital protuberance | bump midline at back of the head |
| infraorbital margin | inferior rim of orbital base |
| gonion | angle of mandible |
| glabella | area between eyebrows |
| External acoustic auditory meatus | External opening into ear canal |
| acanthion | middle junction of upper lip and nose |
| lambda fontanel | posterior junction of sagittal with lambdoidal suture |
| coronal suture | separates frontal and parietal bones |
| sagittal suture | separates two parietal bones at midline |
| lambdoidal suture | separates parietal bones from occipital |
| squamosal suture | separates parietal and temporal bones |
| temporomandibular joint | synovial condyloid |
| bregma fontanel | anterior junction of sagittal with coronal sutures |