BIOL 4010 Study Guide - Final Guide: Wound Healing, Contracture, Hair Follicle
28 Dec 2020
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How to know by appearance, how serious is the burn. The depth of the burn determines staging: superficial burn wounds (1st degree) [epidermis]. Dry, pink, whitens when apply pressure; painful; some swelling (edema); skin remains intact. Caused by sunburns, brief thermal contact, or low-intensity heat: superficial partial thickness burn wound (2nd degree) Caused by scald (spill or splash), brief flame exposure, non-brief thermal contact or exposure to diluted chemicals: deep partial thickness burn wound (also 2nd degree) [epidermis, deep dermis, some hair follicle and sweat gland damage]. Wet or waxy; dry; colour could be red or patchy white; blistering. Heals 3+ weeks with risks of scarring and contracture. Caused by scald, oil or grease, flame, prolonged exposure to dilute chemicals: full thickness burn wound (3rd degree) [epidermis, dermis, Colours range from waxy white, to leathery gray, to charred and black.
