Correct answer:

Partial thickness burns vary in appearance and severity:

• Erythema: a superficial burn with erythema due to capillary dilatation and with or without areas of blistering produced by exudation of plasma beneath coagulated epidermis. The underlying germinal layer is intact, and complete healing takes place within a few days.
• Superficial partial thickness: burn extends down through the epidermis to involve the germinal layer, but the dermal appendages such as sweat glands and hair follicles remain largely preserved. There is intense blistering followed by the formation of a slough. This separates after about 10 days, leaving healthy, newly formed, pink epithelium beneath.
• Deep partial thickness: burn extends to the germinal layer and destroys a significant proportion of hair follicles, sebaceous glands and dermis. Healing is much slower and is associated with significant scarring.