| Anatomy | Physiology | Epidermis | Glands | Cells | 
|---|---|---|---|---|
| 
						
					 
					  What is the hypodermis?					 
					
					 The component that connects to the skin and serves as a storage repository for  fat. 
					 | 
				
				
						
					 
					  What is a water barrier ?					 
					
					 Keratin and oils in the skin reduce water loss through evaporation and form a barrier against water infusion. 
					 | 
				
				
						
					 
					  What is stratum granulosum?					 
					
					 The layer of somewhat flatten cells just superficial to stratum spinosum and inferior to the stratum lucidum. 
					 | 
				
				
						
					 
					  What is the eccrine glands?					 
					
					 The glands that empty directly into the skin. 
					 | 
				
				
						
					 
					  What are Merkel cells?					 
					
					 The cells of the epidermis that function as touch receptors. 
					 | 
						
| 
						
					 
					  What is the papillary layer?					 
					
					 Fingerprints are derived from patterns here. 
					 | 
				
				
						
					 
					  What is temperature regulation?					 
					
					 Capillaries dilate to dissipate heat and constrict to conserve heat. Sweat evaporation provides a cooling effect. 
					 | 
				
				
						
					 
					  What is stratum spinosum?					 
					
					 The layer of the epidermis superior to stratum basale and inferior to stratum granulosum. 
					 | 
				
				
						
					 
					  What is sebaceous glands?					 
					
					 Produces a substance called sebum. 
					 | 
				
				
						
					 
					  What is lipocytes?					 
					
					 The hypodermis is the location for these fat cells. 
					 | 
						
| 
						
					 
					  What is arrector pili?					 
					
					 These tiny muscles cause “goose-bumps” when we are cold or frightened. 
					 | 
				
				
						
					 
					  What is vitamin d production?					 
					
					 Sunlight converts modified cholesterol molecules to vitamin D, which is essential for bone health. 
					 | 
				
				
						
					 
					  What is stratum basale?					 
					
					 The innermost layer that absorbs nutrients from the dermis. 
					 | 
				
				
						
					 
					  What is chemical reaction caused by bacteria ?					 
					
					 The unpleasant odor when a person sweats. 
					 | 
				
				
						
					 
					  What is melanocytes?					 
					
					 These specialized cells responsible for skin color. 
					 | 
						
| 
						
					 
					  What is keratin?					 
					
					 The tough protein that strengthens hair and nails. 
					 | 
				
				
						
					 
					  What is waste elimination?					 
					
					 Urea and uric acid are eliminated in sweat. 
					 | 
				
				
						
					 
					  What is stratum corneum?					 
					
					 The layer of the epidermis that consists of dead cells filled with keratin. 
					 | 
				
				
						
					 
					  What is apocrine and eccrine glands?					 
					
					 The two types of sudoriferous glands. 
					 | 
				
				
						
					 
					  What is keratinocytes?					 
					
					 Cells within the epidermis that produce keratin. 
					 | 
						
| 
						
					 
					  What is the reticular layer?					 
					
					 The layer of the dermis that contains blood vessels sweat and oil glands, involuntary muscles, hair follicles and nerve endings. 
					 | 
				
				
						
					 
					  What is sensory perception?					 
					
					 Receptor cells transmit information about touch, pressure, vibration, pain, and temperature to the central nervous system. 
					 | 
				
				
						
					 
					  What is stratum lucidium?					 
					
					 The clear layer of thick skin found on the palms of the hands, fingers, soles of the feet and toes. 
					 | 
				
				
						
					 
					  What is sweat?					 
					
					 A chemical waste product that includes urea, uric acid, and salts that protects against bacteria. 
					 | 
				
				
						
					 
					  What is melanocytes?					 
					
					 The cells in  individuals with albinism do not produce melanin. 
					 |