Structure and Composition
Function's purpose is to keep the skin moist by preventing water evaporation, and to guard against irritants penetrating the skin surface.
Barrier Function
The clear, transparent layer under that consists of small cells through which light can pass.
Stratum Lucidum
The lower layer of the dermis closer to the Adipose tissue, that supplies the skin with all of its oxygen and nutrients.
Reticular Layer
The stratum germinativum is composed of several layers with special cells that produce a dark skin pigment called _________.
Melanin
Which gland helps regulate body temperature and helps eliminate waste products from the body.
Sudoriferous gland
Another term for Subcutaneous tissue
Adipose/Hypodermis
This layer is thicker on the palms of the hands and the soles of the feet
Stratum Lucidum
Small involuntary muscles in the base of the hair follicle that cause goose bumps.
Arrector pili muscles
Name the three nerve fibers of the skin
Motor, Sensory, and Secretory nerve fibers
Also known as oil glands and are connected to the hair follicles.
Sebaceous glands
Stratum Spinosum
This layer contains special cells called melanocytes, which produce the dark skin pigment called melanin
Stratum germinativum/ Basal Cell Layer
A small cone-shaped elevations located at the base of the hair follicle that fits into the hair bulb is the ___________.
Dermal papilla
Provides natural colors ranging from red and ginger to yellow and blond tones
Pheomelanin
A closed comedo is also known as a white head
True or False
True
The top of the papillary layer where it joins the epidermis is called the _______________.
Epidermal-Dermal Junction
The outermost and thinnest layer of the skin. contains no blood vessels, but has many small nerve endings
Epidermis
The outer layer of the dermis, directly beneath the epidermis
Papillary Layer
A fibrous protein that gives the skin form and strength
Collagen
Chronic condition that appears primarily on the cheeks and nose, and is characterized by flushing redness.
Rosacea
Fatty tissue found below the dermis.
Subcutaneous tissue/ Adipose/ Hypodermis
A fibrous protein that is also the principal component of hair and nails.
Keratin
Some papillae contain looped capillaries, and others contain small epidermal structures called __________.
Tactile corpuscles
A protein base similar to collagen that forms elastic tissue
Elastin
Coiled base of the sudoriferous gland and a tube-like sweat duct that ends at the surface of the skin to form the sweat pore is called ________.
Secretory coil