The papillary dermis is the thin upper layer of the dermis, made of loose connective tissue that rises into finger-like dermal papillae beneath the epidermis. It holds capillary loops and touch receptors.
| Location | Just beneath the epidermis, above the reticular dermis |
|---|---|
| Parts |
|
| Nerve Supply | Cutaneous nerves (sensory and sympathetic) |
| Blood Supply | Cutaneous branches of regional arteries (dermal and subpapillary plexuses) |
| Venous drainage |
|
| Lymphatic drainage |
|
Nourishes the epidermis, helps regulate heat loss through its capillaries and supports fine touch sensation.
Superficial burns that reach the papillary dermis blister and are painful but usually heal without scarring. Many inflammatory rashes and the depth of melanoma invasion are described in relation to this layer.
Burn into the papillary dermis that blisters, is very painful and heals in about 2 weeks.
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