4.3: Exercises
EPIDERMAL LAYERS
& Physiology Lab Homework by Laird C. Sheldahl, under a Creative Commons Attribution-ShareAlike License 4.0
Lab 4 Exercise \(\PageIndex{1}\)
Integument Layers
Label the following: *Hair follicle * Sebaceous gland * Epidermis * Dermis (papillary layer) * Dermis (reticular layer) * Hypodermis * Arrector pili muscle * Sweat gland.
| 1 | Hair follicle |
| 2 | Sebaceous gland |
| 3 | Epidermis |
| 4 | Dermis (papillary layer) |
| 5 | Dermis (reticular layer) |
| 6 | Hypodermis |
| 7 | Arrector pili muscle |
| 8 | Sweat gland |
| 9 |
Lab 4 Exercise \(\PageIndex{2}\)
Epidermal Layers
Label the following: Stratum corneum * Stratum lucidum * Stratum granulosum * Stratum spinosum * Stratum basale * Dermal papilla * Sweat duct * Sweat pore * Stratified squamous epithelium * Dendritic cell * Melanocyte
| 1 | Stratum corneum |
| 2 | Stratum lucidum |
| 3 | Stratum granulosum |
| 4 | Stratum spinosum |
| 5 | Stratum basale |
| 6 | Dermal papilla |
| 7 | Sweat duct |
| 8 | Sweat pore |
| 9 | Stratified squamous epithelium |
| 10 | Dendritic cell |
| 11 | Melanocyte |
Lab 4 Exercise \(\PageIndex{3}\)
Skin Accessories
Label the parts of a hair follicle: Sebaceous gland * Hair shaft * Hair bulb * Hair root * Hair papilla
| 1 | Sebaceous gland |
| 2 | Hair shaft |
| 3 | Hair bulb |
| 4 | Hair root |
| 5 | Hair papilla |
Label the parts of a nail: Eponychium * Free edge * Hyponychium * Lunula * Nail matrix * Nail root * Lateral nail fold * Nail bed * Nail plate.
| 1 | Eponychium |
| 2 | Free edge |
| 3 | Hyponychium |
| 4 | Nail matrix |
| 5 | Nail root |
| 6 | Lateral nail fold |
| 7 | Nail bed |
| 8 | Nail plate. |
Lab 4 Exercise \(\PageIndex{4}\)
Integument Layers
Histology: Hair * Hair follicle * Dermal papilla * Sebaceous gland * Eccrine sweat gland * Stratified squamous epithelium * Areolar CT * Dense irregular CT.
| 1 | Hair follicle |
| 2 | Dermal papilla |
| 3 | Sebaceous gland |
| 4 | Eccrine sweat gland |
| 5 | Stratified squamous epithelium |
| 6 | Areolar CT |
| 7 | Dense irregular CT. |