Skin Layers
This is the outermost layer of the skin that contains no blood vessels.
What is the Epidermis?
This pigment gives skin its color and protects against UV radiation.
What is melanin?
This structure in the skin produces hair.
These glands produce an oily substance called sebum.
What are sebaceous glands?
This protein makes the stratum corneum waterproof and protective.
What is keratin?
This is the deepest layer of skin. Also called the hypodermis and contains fat cells.
What is the Hypodermis?
These are the cells that produce skin pigment.
What are melanocytes?
This half-moon shaped structure appears at the base of the nail.
What is the lunula?
This oily secretion helps waterproof hair and skin.
What is sebum?
What are vasodilation and increased vessel permeability?
This layer of the epidermis is found only in thick skin of the palms and soles.
What is the stratum lucidum?
This bluish skin color is caused by lack of oxygen in the blood.
What is cyanosis?
These muscle contract to cause "goosebumps."
What are the arrector pilli muscles?
These sweat glands help regulate body temperature and are found all over the body.
What are eccrine sweat glands?
During wound healing, granulations are mainly composed of these cells surrounding blood vessels.
What are fibroblasts?
This is the deepest layer of the epidermis where new cells are constantly dividing.
What is the stratum basale?
This vitamin is produced in the skin when exposed to UV light.
What is Vitamin D?
What is the nail matrix?
These sweat glands become active at puberty and respond to emotions.
What are apocrine sweat glands?
This is the process where skin cells migrate outward, harden, and die.
What is keratinization?
These are the two sublayers that make up the dermis.
What are the papillary layer and reticular layer?
This disease affects melanin production and produces little to no melanin in the skin.
What is albinism?
The hair shaft is composed of these types of cells.
What are dead epidermal cells?
This is the primary function of sebaceous glands.
What is to secrete sebum to waterproof hair and skin?
This is what happens to epidermal cells as they move from deeper layers to the surface.
What is they die?