Skin Flashcards
Name the three main layers of the skin
epidermis, dermis, subcutaneous
What are the three wound healing phases
Inflammation phase, proliferative phase, remodelling phase
Name two types of scar tissue
Hypertrophic scar, keloid scar
Name three signs of eczema (dermatitis)
flaky, dry, oedematous skin
Name the two types of contact dermatitis
Irritant contact dermatitis, allergen contact dermatitis
What is keratin
A hardened protein found in the epidermis
What is sebum
An oily substance secreted onto the skins surface
Name four functions of the skin
Protects the body against infection, protects the body against extreme temperatures, maintains fluid balance, synthesises vitamin D.
What is a keratinocyte
The building block of the tough, fibrous protein keratin
What is a melanocyte
The cell that synthesises melanin (the pigment that gives skin it’s colour)
What is a langerhans cell
They are immune system cells that originate in the bone marrow, and ingest the unwanted invaders.
What are merkel cells?
They combine with nerve endings to create a sensory receptor for touch, they are found in the boundary between the epidermis and the dermis.
