Epidermis
If the skin is compromized and bacteria gets in, which cells will carry out phagocytosis
macrophages
Region of the dermis where fingerprints are formed
Dermal Papillae
Hair is present on all skin surfaces except which 4 areas
palms, palmer surfaces of fingers, soles and toes
List the 3 types of skin cancer
basal cell
squamous cell
malignant melanoma
Which type of cells make up the nails
keratinized epidermal cells
What needs to be synthesized by the skin in order to absorb calcium?
Vitamin D
What are the 4 structures that can be found in the dermis?
blood vessels
nerves
glands
hair follicles
Which structure of hair is located above the skin
shaft
List the 4 phases of wound healing
hemostasis
inflammatory
proliferative
maturation
What are the 2 the functions of nails
protect the fingertips
grasp small objects
Layer of skin that is composed of keratinized stratified squamous cells
Epidermis
How does melanin determine skin color?
By the amount and type
Name the 3 concentric rings of hair in order from outer layer to inner
cuticle, cortex, medulla
Which characteristics make scar tissue unique?
diff # of hair and glands and sensory structures
lighter color due to lack of blood vessels
Why are nails pink?
because of underlying blood capillaries
Cells in epidermis that are responsible in sensation of touch
Merkel
What color is hemoglobin and what does it do?
pinkish, transports oxygen in blood
Where is the hair root plexus located
wrapped around the bulb of the follicle
Why is a first degree burn more painful than a 3rd degree burn?
All layers affected, nerves are destroyed
Which part of the nail is known as the free edge?
the part that extends past the finger or toe
List the 5 layers that make up the epidermis from top to bottom
Which layer is continually dividing?
corneum BASALE
lucidum
granulosum
spinosum
basale
Which layer in the epidermis is carotene deposited in?
stratum corneum
Explain how the arrector pilli muscle works
In times of fright or cold, this muscle contracts and causes hair to stand on end goose bumps
How are burns categorized?
by the depth of skin removed
percent of body surface area that is covered by burns
Which part of the nail is not visable?
nail root