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Integumentary System
Chapter 5
| Integumentary System | Consists of hair, nails, and cutaneous glands |
| Dendritic cells | Detect foreign matter and microbes. Also wards off infection |
| Produces pigment and is in the deepest layer of the epidermis | Melanocytes |
| Tactile Cells | Specialized for touch sensation |
| Divides and replaces other cells | Stem cells |
| Major cell type in the Epidermis (most common) | Keratinocytes |
| Stratum Lucidum | Present only in thick epidermis of palms and soles |
| Stratum Basale | Deepest layer, single layer of cells |
| Has many layers of keratinocytes & dendritic cells | Stratum spinosum |
| Three to five layers of flat keratinocytes | Stratum granulosum |
| Stratum Corneum | Gives skin toughness Cells flake off, dead keratinocytes |
| Dermis | Connective Tissue |
| Epidermis | |
| Hypodermis | |
| What are concentrations of melanin? | Freckles and moles |