Layers
What's Inside
Randomness
Getting Old
Skin Damage
100
What is the very bottom layer of the epidermis?
Stratum Basale
100
What is the very top layer of the epidermis made of?
Dead Keratinocytes
100
What is the part of the nail that extends past the finger/toe?
Free Edge
100
As you grow old, does your speed of wound healing go up or down?
Down, takes more time to heal
100
What kind of burn only penetrates the epidermis?
First Degree Burn
200
What is the epidermal layer that is only found in thick skin?
Stratum Lucidum
200
What is the kind of melanin that has a yellow or red color?
Pheomelanin
200
What is the very middle of a hair?
Medulla
200
What causes wrinkles and sagging of skin?
Changes in collagen and elastin
200
Describe a Full-Thickness burn.
Burn that penetrates all the layers of the skin.
300
What is the top region of the dermis?
Papillary Region
300
What is the sensory nerve ending that senses deep pressure or vibrations?
Lamellated Corpsucles
300
What is the difference between superficial and deep wounds?
Superficial only penetrates the epidermis, Deep penetrates into the dermis
300
What happens to the amount of Langerhans Cells as you age?
They Decrease
300
What percent of the body has been burned if the anterior trunk, one posterior arm, and one whole leg has been burned?
18%+4.5%+18%=40.5%
400
What are the layers of the skin from superficial to deep?
Epidermis, Dermis, Subcutaneous
400
This is the sudoriforous gland that helps regulate homeostasis and cool skin.
Eccrine
400
This can form from bone pressure on the skin or from laying in a bed for too long.
Decubitus Ulcers
400
What happens if your dermal papillae and epidermal ridges flatten?
Increased tearing of skin
400
Describe Basal Cell Carcinoma. How severe is this cancer?
Abnormal, cancerous growth of the basal cells; cancerous but don't normally metastasize.
500
What are the layers of the epidermis from deep to superficial?
Basale, Spinosum, Granulosum, Lucidum, Corneum
500
What is a Langerhans Cell's job?
Phagocytes, Immune Defense
500
What are the three stages of hair growth and what happens in each stage?
Growth: hair cells divide and grow in length Regression: Hair cells stop dividing Resting: No division, hair falls out
500
What is Rosacea?
Disease of aging skin, dilated blood vessels and pimples around the cheeks
500
What is the criteria for identifying Melanoma?
ABCDE: Asymmetry, Border, Color, Diverse structure, Elevation
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