Eye/Nose/Mouth/Ear Anatomy
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12 terms
Terms | Definitions |
|---|---|
 inner canthus (IC) | formed at the junction of the upper and lower eyelids at the medial aspect of the eye |
| outer canthus (OC) | formed at the junction of the upper and lower eyelids at the lateral aspect of the eye |
| nasion | depression of the nose where it joins the forehead at the level of the SOM |
| lateral ala nasi (LAN) | formed by the lateral attachment of the ala nasi with the cheek |
| inferior ala nasi (IAN) | formed by the inferior attachment of the ala nasi with the cheek |
| commissure of the mouth | formed by the junction of the upper and lower lip |
| tragus | partially covers the external auditory meatus in the external ear; just anterior to this area is the posterior wall of the nasopharynx |
| tragal notch | semicircular notch of in the ear immediately inferior to the tragus |
| superior tragal notch (STN) | superior margin of the tragal notch |
| inferior tragal notch (ITN) | inferior margin of the tragal notch |
| anterior tragal notch (ATN) | anterior margin of the tragal notch |
| nasopharynx | just anterior to the tragus |
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