The Skin:
An overview
M A E L ÍO SA M C C R U DDE N P HD
M . M C C R UD D EN@Q U B. AC.U K
,Learning outcomes
To understand the functions of the skin.
To describe the histological features of skin and the differences
between “thick” and “thin” skin.
To describe the relationship between epidermis, dermis and
underlying structures.
To understand the relevance of skin appendages and glands.
To describe and explain the importance of cutaneous sensory
receptors.
, Functions of the skin
Physical Control of Sensory Absorption Manufacture Thermoregulation Storage
protection evaporation of Vitamin D and
synthesis
An anatomical The skin Nerve Dermal Upon Sweat glands and Acts as a
barrier from provides a endings absorption is a exposure to dilated blood vessels storage
pathogens and relatively dry that route of UV radiation, aid heat loss. centre for
damage and semi- respond to exposure for vitamin D3 is lipids and
between the impermeable heat and bioactive synthesized in Constricted vessels water.
internal and barrier to cold; substances the skin. greatly reduce
external reduce fluid touch; including cutaneous blood flow
environment. loss. pressure; medications. and conserve heat.
vibration;
Langerhans and tissue
cells are part injury.
of the adaptive
immune
system.
An overview
M A E L ÍO SA M C C R U DDE N P HD
M . M C C R UD D EN@Q U B. AC.U K
,Learning outcomes
To understand the functions of the skin.
To describe the histological features of skin and the differences
between “thick” and “thin” skin.
To describe the relationship between epidermis, dermis and
underlying structures.
To understand the relevance of skin appendages and glands.
To describe and explain the importance of cutaneous sensory
receptors.
, Functions of the skin
Physical Control of Sensory Absorption Manufacture Thermoregulation Storage
protection evaporation of Vitamin D and
synthesis
An anatomical The skin Nerve Dermal Upon Sweat glands and Acts as a
barrier from provides a endings absorption is a exposure to dilated blood vessels storage
pathogens and relatively dry that route of UV radiation, aid heat loss. centre for
damage and semi- respond to exposure for vitamin D3 is lipids and
between the impermeable heat and bioactive synthesized in Constricted vessels water.
internal and barrier to cold; substances the skin. greatly reduce
external reduce fluid touch; including cutaneous blood flow
environment. loss. pressure; medications. and conserve heat.
vibration;
Langerhans and tissue
cells are part injury.
of the adaptive
immune
system.
