| What layer of skin/appendage is this? | epidermis |
| What layer of skin/appendage is this? | epidermis; stratum basale |
| What layer of skin/appendage is this? | epidermis; stratum granulosum |
| What layer of skin/appendage is this? | epidermis; stratum lucidum |
| What layer of skin/appendage is this? | epidermis; stratum corneum |
| What is stratum corneum? | thick layer of dead skin cells devoid of nuclei and organelles |
| What is the stratum basale? | single layer of germinal cells resting on the basement membrane which is attached to the dermis, contains melanocytes, Merkel cells, dermal papilla |
| What is the stratum spinosum? | homogenous cells, normal nucleus, communication between adjacent cells, protein production |
| What is the stratum granulosum? | keratinocytes with numerous basophilic granules in their cytoplasm; formation of keratin and lipid granules |
| What kind of cell is this? | keratinocytes |
| What kind of cell are these? | melanocytes |
| What is a melanocyte? | melanin-producing cells located in the stratum basale |
| What specific cell types are found in the epidermis layer of the skin? | keratinocytes, melanocytes, dendritic cells, Merkel cells |
| What layers are found in the epidermis region? | stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum |
| What two layers are found in the dermis region of the skin? | papillary layer, reticular layer |
| What layer of skin/appendage is this? | papillary layer |
| What layer of skin/appendage is this? | reticular layer (dense irregular tissue) |
| What appendage is this? | Meissener's corpuscules |
| What is the function of Meissener's corpuscles? | nerve endings in skin responsible for sensitivity to light touch |
| What appendage is this? | pacinian corpuscules |
| What is the function of pacinian corpuscles? | nerve endings in skin responsible for sensitivity to vibration and pressure |
| What appendage is this? | hair |
| What appendage is this? | hair follicle |
| What is this structure? | internal root sheath; hair follicle |
| What is this structure? | external root sheath; hair follicle |
| What structure is this? | glassy membrane; hair follicle |
| What structure is this? | hair papilla; hair follicle |
| What structure is this? | arrector pili muscle |
| What accessory structure is this? | eccrine sweat gland |
| What accessory structure is this? | sebaceous oil gland |
| What are the parts of the hair? | medulla, cortex, cuticle |
| What are 3 examples of glands that act as accessory structures? | eccrine sweat gland, apocrine sweat gland, sebaceous oil gland |
| What layer is this? What kind of tissue? | hypodermis; adipose tissue |
| What is the function of the dermal papillae? | increase adhesion between the epidermis and dermis |
| Characteristics of epidermis? | superficial layer of skin, nonvascular, stratified squamous (keratinized) |
| Characteristics of dermis? | deep to epidermis, vascular, mostly dense irregular CT |
| Characteristics of hypodermic? | not a part of skin; fat storage; connects skin to underlying bone or muscle |
| Where is the arrestor pili muscle found? What is it attached to? | reticular layer of dermis; hair follicle |
| What is another name for Dendritic cells and Merkel cells? | Langerhans; tactile |
