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Skin: Structure and Function 🌟 - Coggle Diagram
Skin: Structure and Function 🌟
Epidermis 🛡️
Function: Protective outer layer
Layers 🌈
Stratum corneum: Tough, outermost
Stratum lucidum: Found in thick skin
Stratum granulosum: Granular layer
Stratum spinosum: Spiny appearance
Stratum basale: Deepest, cell production
Cell Types 🔬
Keratinocytes: Produce keratin
Melanocytes: Produce melanin, UV shield
Dermis 💪
Function: Structural support
Components 🛠️
Blood vessels: Oxygen & nutrient supply
Hair follicles: Grow hair 🌱
Sweat glands: Temperature control 💦
Eccrine: Found everywhere
Apocrine: Active in puberty
Sebaceous glands: Produce oil (sebum)
Nerve endings: Sensations (touch, pain) 🤚
Collagen and elastin: Strength & elasticity 🎢
Hypodermis (Subcutaneous Layer) 🧸
Function: Insulation, cushioning
Composition 🍔
Fat: Energy storage & protection
Connective tissue: Structural link
Skin Functions 🌍
Protection 🛡️
Barrier against pathogens, UV
Temperature Regulation 🌡️
Sweating, blood vessel actions
Sensation 🧠
Detects touch, pressure, pain, temp
Vitamin D Production ☀️
Sunlight triggers synthesis