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Integumentary System
| Term | Location | Function |
|---|---|---|
| Dendritic cells | stratum spinosum | phagocytes of immune system |
| Merkel cells | stratum basale | sensory receptors, detect light touch and differentiate shapes and textures |
| Melanocytes | stratum basale | produce melanin |
| Tactile (Meissner) Corpuscles | dermal papillae | sensory receptors that respond to light touch stimuli |
| Lamellated (Pacinian) Corpuscles | reticular dermis | sensory receptors for deep pressure and vibrations |
| Epidermal ridges | thick skin | enhance gripping ability |
| Tension/cleavage lines | dermis | gaps between bundles of collagen |
| Flexure lines | reticular layer | reticular layer anchored tightly to deeper structures |
| Melanin | stratum basale | increases upon exposure to UV, protect keratinocytes from mutations, decrease synthesis of vitamin D |
| Carotene | stratum corneum | yellow-orange, lipid-soluble |
| Hemoglobin | epidermis, red blood cells | iron-containing protein, bind oxygen and aids in transport |