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Epidermis Dermis/Hypodermis Structures Derived from Epidermis Application Other
100
True. The epidermis is vascularized.
The epidermis is the outermost layer of the integument. Is this layer vascularized?
100
Blood vessels
Hair follicles
Oil glands
Sweat gland ducts
Sensory receptors
Nerve endings
Name at least three structures found in the dermis
100
Nails
Hair
Exocrine glands of the skin
Give two examples of structures derived from the epidermis
100
The ink is put into the dermal layer
Why does the ink from tattoos stay in your skin?
100
UV rays
Production of melanin increases with exposure to what?
200
Acts as a protective, waterproof barrier.
What is the primary function of the epidermis?
200
Areolar and dense irregular connective tissues
What types of tissues make up the dermis?
200
Hair bulb: Deep swelling of epithelial cells where hair
originates
 Hair root
 Hair shaft
What makes up a hair follicle?
200
Each fingerprint is unique, and could then be recognized if recorded
Why do police take a finger print off of each finger?
200
Hair matrix
Where does hair production occur?
300
Stratum Corneum
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Basale
Name each the five layers of the epidermis.
300
Papillary layer and reticular layer
What are the two layers of the dermis?
300
Protect distal tips of digits and assist grasping
What is the function of a nail?
300
Aluminum salts dissolve forming gel that covers sweat gland
How does an antiperspirant reduce sweat production?
300
Provide lubrication that prevents drying of hair and skin
What is the primary function of sebaceous glands?
400
Increase friction to provide grip and skin flexibility
What is the primary function of friction ridges?
400
Areolar and adipose connective tissues
What tissues make up the hypodermis?
400
To assist the body in thermoregulation
What is the function of the Arrector pili?
400
Accumulation of sebum in your pores
What causes acne?
400
Merocrine: 99% water
Apocrine: proteins and lipids
What are the two different types of sweat glands in the body, and what is secreted by each?
500
Keratinocytes
Melanocytes
Tactile cells
What three cell types are found in the stratum basale?
500
Anchors the skin to other organ systems
Protects underlying structures
Stores energy
What are three primary functions of the hypodermis?
500
Stratum corneum
Nails are derived from a modified version of which epidermal layer?
500
Enzyme needed to produce melanin is non-functional
Melanocytes do not produce melanin
White hair, pale skin, pink irises
What causes albinism, and what are some of the characteristics of this condition?
500
Protection
 Prevention of water loss and gain
 Temperature regulation
 Metabolic regulation
 Immune defense
 Sensory reception
 Secretion
What are five of the seven functions of integument?






Integument Review

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