A | B |
Epidermis | A |
Stratum corneum | A1 |
Stratum Lucidum | A2 |
Stratum spinosum | A4 |
Stratum basale or germinativum | A5 |
Dermis | B |
Subcutaneous | C |
Sebaceous Gland | D |
Sudoriforous gland | E |
Hair Shaft | F1 |
Hair Root | F2 |
Hair Follicle | F3 |
Hair papilla | F5 |
Arrector pili muscle | F6 |
Pacinian Corpuscle | G1 |
Meissner's corpuscle | G2 |
Blood Vessel | H & I |
Adipose | J |
epidermis | stratified squamous epithelium |
lead to cell death | move superficially away from blood vessels; fill with keratin; air dessicates |
stratum lucidum | extra layer on palms and soles |
stratum spinosum | contains pigmentation |
stratum germinativum | mitosis layer |
epidermis | avascular layer |
dermis | made of loose areolar connective tissue |
dermal papillae | dertermines fingerprints |
dermis | vascular layer |
Meisner's corpuscle & Merkel's discs | receptors that detect light touch |
Pacinian Corpuscle | receptors that detect pressure |
hair plexus | receptor for hair movement |
free nerve endings | receptors that determine temperature & pain |
cuticle | stratum corneum pulled with nail growth |
nail matrix | where nail growth occurs |
lanugo | insulating hair on a baby's body |
balding | caused by lack of blood flow to scalp |
medulla | hair core |
cortex | layer of hair containing pigment |
cuticle | scaley layer of hair |
cause goosebumps | arrector pilli muscle |
eccrine glands | most abundant sweat glands |
apocrine glands | axillary & genital sweat glands |
bacterial feeding | cause of axillary odor |
sebum | skin's oil |
comeda | white pimple |
blackhead | drying sebum w/condensed melanin |
ceruminous glands | wax glands |
difficulty in evaporating water | characteristic of sweat that allows for removal of heat and maintenance of homeostasis |
dilation of blood vessels | signal sent by brain to aid in maintenance of homeostasis and radiate heatfrom body |