| A | B |
| AVERAGE NAIL GROWTH | 1/10" PER MONTH |
| FASTEST NAIL GROWTH | MIDDLE FINGER |
| STANDARD WATER CONTENT OF A NAIL | 15-25% WATER CONTENT |
| SLOWEST NAIL GROWTH | THUMB (AND TOENAILS) |
| NAIL PLATE/NAIL BODY | THE HORNY PLATE RESTING ON THE NAIL BED (THE PART YOU PAINT !!) |
| MATRIX BED/NAILROOT | WHERE NAIL IS FORMED |
| EPONYCHIUM | CUTICLE EXTENSION THAT OVERLAPS LUNULA |
| HYPONYCHIUM | THICKENED SKIN UNDER THE FREE EDGE |
| NAIL BED | PORTION OF SKIN WHERE THE NAIL PLATE RESTS |
| LUNULA/HALF MOON | HALF-MOON SHAPE AT BASE OF NAIL PLATE |
| NAIL FOLDS | FOLDS OF SKIN THAT SURROUND NAIL PLATE |
| NAIL GROOVES | SLITS ON THE SIDE OF THE NAIL |
| LIGAMENT | TOUGH BAND OF TISSUE THAT CONNECTS BONES |
| FREE EDGE | PART OF NAIL THAT EXTENDS OVER THE TIP OF THE NAIL |