Anatomy of the Skin Flashcards
Mention the 6 functions of the skin:
S - Sensation H - Heat regulations A - Absorption P - Protection E - Excretion A - Secretion
How many layers do the skin have?
There are 3 layers of the skin
What are the layers of the skin called?
- The Epidermis
- The Dermis
- The Subcutaneous or hypodermis
What is epidermis?
The outermost layer of the skin
How many layers does epidermis have
Five layers, each layer has a specific function.
Name the 5 layers of epidermis
Clue: horny carol grapes peoples bum
Horny layer Clear layer Granular layer Prickle cell layer Basal layer
What is the basal layer?
Is where new skin cells known as “keratinocytes” are “born.”
Single layer column shaped
Clothes layer to Dermis
What is the Horny layer?
Top layer
Cells are continuously shed
Made up from flattened dead cells
What is the clear layer?
3-4 rows of dead flattened cells
Only found on the palm of the hands and soles of the feet
Cells here act as protectors in areas of friction
What is The granular layer?
Middle layer of epidermis
Cells gets squashed together and harden
It is 2-4 layer thick
Cells here begin to die and flatten.
What is the Prickle cell layer?
Sits on top of basal layer
Keratin and melanin is produced
10-20 cells thick with spines connected with other cells
What is Dermis referred as
The true skin
How thick is Dermis (true skin)
0.3 mm on eyelid, 3.00 on the back
Thickness depends on the location of the skin
Where is collagen and elastin placed?
Dermis layer
What is subcutaneous tissue?
It is a fatty layer underneath the skin