Function of the skin
The study of skin, its function , diseases and treatment
Dermatology
What are the 3 main layers of the skin
Epidermis, dermal, subcutaneous
Lowest or deepest layer
cell growth occurs through mitosis or cell division
also called the stratum germinativum
Stratum basale
What are the layers of the dermal called
Papillary and reticular
Name the major functions of the the sudoriferous glands
Control and regulates body temperature
excrete waste products
helps maintain acidic PH factor of skin
Largest organ of the body
covers the entire body
protects from invasion of the outside particles
The skin
Also called the cuticle or scarf skin
outermost layer of the skin
consists of keratinized surface layers
Epidermis
Incudes cells that have absorbed melanin to distipute pigmentation to other cells
cells have irregular spiny shape that help hold the cells together
Stratum spinosum
What layer is rich in blood vessels and capillaries and is responsible for sensitivity to light touch
Papillary layer
What is another name for sudoriferous glands
Eccrine glands
Eliminates sweat, salt and wastes from the body
Excretion
Also called dermis, derma, true skin
referred to as the living layer
underlying, or inner, layer of the skin
Dermal
Located only on palms of hands and soles of feet
cells more flattened and transparent
Stratum lucidum
Which layer contains collagen and elastin fibers and arrector pili muscles
Reticular layer
What has sac like glands attached to hair follicles
produce sebum
cause oily skin when over-abundance of sebum is produced
Sebaceous Glands
Permits certain substances to pass though its tissues
Absorption
Also called hypodermis, adipose, subcutis, subdermis
Subcutaneous
Keratinzation begins as new cells are pushed toward the surface
cells look like Tiny granules
granules are on their way to skins surface
Stratum granulosum
What layer is in direct contact with the subcutaneous and is the lowest layer of the dermal
Reticular layer
What is the complex secretion containing a high percentage fatty oily substances
Sebum
Secretes sebum that keeps skin soft, supply and pliable ; prevents bacteria from invading the skin
Secretion
Name the 5 layers of the epidermis layer
Stratum basale
stratum spinosum
stratum granulosum
stratum lucidum
stratum corneum
uppermost and toughest layer
composed of keratin protein cells that are continually shed and replaced
barrier function protects moisture balance
Stratum corneum
What 2 oil glands are found in the reticular layer
Sudoriferous glands and sebaceous glands
Name the layer of oil and moisture on the surface of the skin
Acid mantle