4.3: Skin Models
Thin skin
Thick skin
Layers of the skin:
-
Epidermis
Stratum corneum
Stratum lucidum
Stratum granulosum
Stratum spinosum
Stratum basale
-
Dermis
Papillary layer
Reticular layer
Layers beneath the skin (subcutaneous)
-
Hypodermis
Skin structures:
- Dermal papillae
-
Hair follicle
Root
Shaft
Hair follicle
Papilla
Arrector pilli (or piloerector m.)
Bulb
- Blood vessels
-
Lamellar corpuscle
Tactile corpuscle
-
Eccrine (merocrine) sweat gland
Pore
Duct
Apocrine sweat gland
Sebaceous glands
-
Nail
Eponychium
Hyponychium
Free edge
Lateral nail fold
Proximal nail fold
Lunula
Nail bed
Nail plate (body)
Nail matrix
Skin cells:
- Keratinocytes
- Melanocytes
-
Fibroblasts
Tissues types:
- Stratified squamous epithelium
- Areolar CT
- Dense irregular CT
- CT – adipose
- Glandular epithelium (simple or stratified cuboidal)