| Term | Definition |
| Dermis | composed mostly of connective tissue, contains blood vessels, nerves, glands, and hair follicles, also divides into two regions |
| papillary region | superficial region made of areolar and connective tissue, contains dermal papillae which are finger like projections |
| reticular region | deeper region made of dense irregular connective tissue with elastic and collagen fibers, both types of fibers provide skin with strength, extensibility and excitability |
| epidermal rideges | ridges and groves that appear on the tips of your digits |