Vocab 1
Basic material and building blocks for the body's tissues are...
Proteins
TEWL stands for....
Transepidermal water loss
Everyone has ______ of melanocytes
the same number
Appendages of the skin include...
hair, nails, sweat glands, and oil glands
Sweat glands, also known as ______
Sudoriferous glands
______ stimulates skin cells to reproduce and heal
Epidermal growth factor
EGF stands for..
Epidermal growth factor
Intercellular means _____
Transcellular means _____
Between
Across or through
The acid mantle is part of the skin's natural _____ _______
Barrier function
Known as the true skin; support layer of connective tissues above the hypodermis
Dermis
Cells that stimulate collagen production and amino acids that form proteins to aid in healing.
Fibroblasts
GAGs
Glycisaminoglycans
5 layers of the epidermis
Stratum- germinativum, spinosum, granulosum, lucidum, corneum
The average body temperature is ...
98.6 degrees Fahrenheit
Oil glands, also known as _________
Sebaceous glands
Tubelike openings for sweat glands on the epidermis
Pores
DEJ
Dermal/Epidermal Junction
Every minute, the skin sheds ______ cells
30,000
Sweat glands release heat through _______
perspiration
Makes up 70% of the dermis
Collagen
Comprise 95% of the epidermis
Keratinocytes
Technical term for nail
Onyx
Dead protein cell that is dried out and lacks nuclei is called
Corneocyte
Six primary functions of the skin
Sensation, protection, heat regulation, excretion, secretion, and absorption
Remove waste products, bacteria, and excess fluid
Lymph vessels
Enzyme that stimulates melanocytes and produces melanin
Tyrosinase
Two types of nerves
Motor and Sensory
Hair contains ____ percent hard B-keratin
90
hypodermis or the subcutaneous layer, the dermis and the epidermis
The body produces two types of melanin _____ and ______
Pheomelanin and eumelanin
Keratin filaments that assist in holding cells together
Desmosomes
T/F
Alcohol hydrates the skin
False, it causes dehydration and hyperpigmentation
T/F
Healthy skin is slightly dry
False; it is slightly acidic
Created by the chemical processes of plants
Phytoestrogens
Keratinocytes are continually shed from the skin in a process called...
Desquamation
Protect the body from infections by identifying and destroying foreign material (antigens
Langerhans immune cells
Pus is a sign of...
Bacterial infection
Oil glands are _____
Sweat glands are ______
Sebaceous; Sudoriferous
_____ and _____ nourish the skin
Blood and lymph
A group of waxy lipid molecules that are important to barrier function and water-holding capacity
Ceramides