Chapter 7 Skin Structure and Growth

the Medical brance of science that deals with the study of skin its nature fuctions structure diseases and treatment.
a physician engaged in the science of treating the skin, its functions, structures and diseases.
a specialist in the cleansings, preservation of health and beautification of the skin and body.
Stratum Germinatavium
Deepest layer of the epidermis, composed of several layers of different shaped cells, live layer of the epidermis.
special cells in the stratum spinosum which produce dark skin pigment called melanin.
Stratum Spinosum
the spiney layer that the begining of the process that causes skin cells to shed begins.
Stratum Granulosum
granular layer of the epidermis
Stratum Lucidum
clear transparent layer just under the skins surface consisting of small cells through which light can pass.
Startum Corneum
horney layer is the outer layer of the epidermis
a fiber protien that is also a principle component of hair and nails
The underlying or inner layer of the skin,25 times thicker than the epidermis
Arrector Pili Muscles
small muscles that work in connection with hair follicles to cause goose bumps.
Papillary Layer
the outer layer of the dermis, directly beneath the epidermis
Epidermal-Dermal Junction
the top of the papillary layer where it joins the epidermis
Recticular Layer
the deepest layer of the dermis that supplies the skin with oxygen and nutrients.
Subcutaneous Layer
a fatty layer found below the dermis some specialists regaurd as a continuation of the dermis
red to yellow color pigment found in light skin
a fibrous protein that gives the skin form and strength
a protein base similar to collagen that forms elastic tissue
Sudoriferous Glands
structures that emerge through pores on the skin's surface and secrete sweat
Sebaceous glands
oil glands in the skin
A plug of sebum (oil) within the opening of a hair follicle