First senses to develop
What is touch?
Hair contains 90% of this..
What is B keratin?
Layer also known as adipose tissue
What is the subcutaneous layer or hypodermis layer?
Pigment that protects us from the sun
What is Melanin?
Longer wavelengths (320-400) penetrate deeper in skin.
What are UVA rays?
Glands that excrete perspiration
What are sudoriferous glands?
Long continuous sheets of keratin.
What are fingernails?
Layer of the dermis mainly of collagen and elastin
What is the reticular layer?
Melanin that is red to yellow in color
What is pheomelanin?
These take away electrons and cause damage to cells.
What are free radicals?
Vitamin that needs sun exposure for absorption by the skin
What is Vitamin D?
Technical name for nails
What is Onyx?
Also know as the basal layer
What is the stratum germinativum?
Darker skin has more activity here...
What are melanocytes?
Estrogens from plants.
What are phytoestrogens?
Muscle that contracts and makes hair stand up
What are arrector pili muscles?
Grows faster in the summer.
What is fingernails?
Layer thickest on the palms of the hand and feet
What is the stratum lucidum?
Melanin that is dark brown to black.
What is eumelanin?
Binding a protein to a glucose forming damaged cells
What is glycation?
Water loss caused by evaporation on the skins surface
What is Transepidermal water loss (TEWL)?
Purple or bluish tone under fingernails.
What is cyanosis?
Also known as cellular turnover?
What is desquamation?
Enzyme that stimulates melanocytes.
What is tyrosinase?
Dilation of capillary walls.
What is telangiectasia?