physilogy and histology of the skin
Cell division is called
mitosis
What is the thickest layer of the skin
dermis
What does hydro mean
water
The process in which keratinocytes are continually shed from the skin is called
desquamation
Which cells aid in the production of collagen and elastin
fibroblasts
Which enzymes stimulates melanin production
tyrosinase
The epidermis is the outermost layer of the skin
epidermis
Which fibrous protein makes up the hair, skin and nails
keratin
Pigment granules in the basal layer are produced by which cells
melanocytes
List the layers of the skin
epidermis, dermis, subcutaneous layer
List the primary functions of the skin
sensation, protection, heat regulation, excretion, secretion and absorption.
Explain the function of the sebaceous gland
produces oil that protects the skins surface
Explain the function of the sudoriferous gland
prevent the body from overheating and excrete perspiration.
What layer of skin is the outermost layer
epidermis
What is a corneocyte
are hardened keratinocytes.
Where are corneocytes found
stratum corneum
Explain the barrier function
Keeping water in and irritants out.
Define TEWL
transepidermal water loss
What layer of skin do estheticians work on
stratum corneum
Which layer of skin does mitosis occur
Stratum germinativum
Define mitosis
the division of a mother cell into two daughter cells
Which layer of skin is also referred to as the basal layer
Stratum germinativum
Which layer of skin is the thickest
dermis
Which of the following fluid helps collagen and elastin retain moisture
Hyaluronic acid
What junction connects the epidermis to the dermis
dermal epidermal junction
Which fibrous protein makes up the hair, skin, and nails
keratin
Explain the difference between beta keratin and alpha keratin
alpha keratin is soft and beta keratin is hard.