| Term | Definition |
| angulus oris eminence | natural |
| angulus oris sulcus | natural |
| bucco-facial sulcus | acquired |
| cords of the neck | acquired |
| dimples | natural |
| inferior palpebral sulcus | acquired |
| intercilliary sulci | acquired |
| labial sulci | acquired |
| labiomental sulcus | natural |
| mandibular sulcus | acquired |
| nasal sulcus | natural |
| nasolabial fold | natural |
| nasolabial sulcus | acquired |
| oblique palpebral sulcus | natural |
| optic facial sulci | acquired |
| philtrum | natural |
| submental sulcus | natural |
| platysmal sulci | acquired |
| superior palpebral sulcus | acquired |
| transverse frontal sulci | acquired |
| fold/eminence | an elongated prominence adjoining surface |
| furrow/sulcus | a crevice in the skin accoumpanied by adjacent elevation (wrinkles) |
| groove/sulcus | an elongated depressionin a relatively level plane (surface) |