1. Cell Types and Layers of the of the Epidermis
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Sweat pore
Stratum corneum
Exfoliating
keratinocytes
Stratum lucidum
Stratum granulosum
Dead keratinocytes
Sweat duct
Living keratinocytes
Dendritic cell
Stratum spinosum
Tactile cell
Melanocyte
Stem cell
Stratum basale
Dermal papilla
Tactile nerve fiber
Dermis
Dermal blood vessels
Figure 6.3

2. Cell Types and Layers of the of the Epidermis
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
Sweat pore
Stratum corneum
Exfoliating
keratinocytes
Stratum lucidum
Stratum granulosum
Dead keratinocytes
Sweat duct
Living keratinocytes
Dendritic cell
Stratum spinosum
Tactile cell
Melanocyte
Stem cell
Stratum basale
Dermal papilla
Tactile nerve fiber
Dermis
Dermal blood vessels
Figure 6.3

5. Structure of the Skin Figure 6.1 Hairs Sweat pores Dermal papilla
Epidermis
Tactile corpuscle
(touch receptor)
Blood capillaries
Hair follicle
Dermis
Sebaceous gland
Hair receptor
Apocrine sweat gland
Hair bulb
Hypodermis
(subcutaneous fat)
Sensory
Merocrine sweat
nerve fibers
gland
Piloerector muscle
Cutaneous blood
vessels
Lamellar (pacinian)
corpuscle (pressure receptor)
Motor nerve fibers
Figure 6.1

6. Structure of Hair Follicle
Hair shaft
Sebaceous
gland
Piloerector
muscle
Hair receptor
Bulge
Hair root
Hair matrix
Hair bulb
Apocrine
sweat gland
Dermal
papilla
Blood
capillaries
in dermal
papilla

7. Fingernail Structure Figure 6.10 Free edge Nail body Nail groove
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display
Free edge
Nail body
Nail groove
Nail fold
Lunule
Eponychium
(cuticle)
Nail
root
Nail plate
Nail fold
Free
edge
Nail
body
Eponychium
(cuticle)
Nail bed
Nail matrix
Figure 6.10