Integumentary System Flashcards
Epidermis definition
The outermost layer of the skin
Dermis
Elastic connective tissue, blood, Lymph vessel, nerves, involuntary muscle, sweat and oil glands and hair follicles
Subcutaneous fascia definition
Innermost layer of skin, connect skin to underlying muscle
Function of the skin?
Protection, sensory , body temperature regulation
Protection (function of skin)
A barrier to the sun, keep germs out, helps keep moisture in so tissue doesn’t dry out
Sensory (skin function)
Nerves feel pain and pressure, temperature and touch
Body temperature regulation (skin function)
Vessels dilate to get closer to skin and get rid of heat, they get smaller to keep heat in.
Sudorifeous gland
Aka sweat gland, tubes through the dermis and pores skin allow water, salt, waste to escape
Sebaceous glad
Aka oil gland , produces oil sebum that keep skin and hair from becoming brittle
Storage
Temporary storage of fats, vitamins, water, sugar and salt.
Absorption
Certain medicines are picked up by blood vessels and circulated throughout body ex -patch
Excretion
Salt, water, waste are eliminated by precipitation
Production
Skin take UV rays from the sun and turns them into a molecule use for vitamin D
Papillary layer
Send superficial areolar connective tissue with collagen and elastin fibers
Albinism
No pigmentation, resulting in a pinkish tint to the skin and pale yellow or white hair
Erythema
Reddish color of skin that can be caused by burns in blood clotting
Jaudice
Yellow color of skin that can indicate liver or gallbladder
Cyanosis
Bluish color of skin caused by lack of oxygen
Macule
Flat discolored spots on the skin FRECKLE
Papillae
Raised solid area less than 1 cm in diameter
Vesicle
Raised, fluid filled sac. BLISTER
Pustule
ACNE
Crust
Dry bloody or pus covering injury SCAB
Wheal
Itchy, raised area with an irregular shape, such as a hive
Ulcer
Open sore with deep loss of skin surface
How do they provide method of identification?p
Fingerprints and footprints
Alopecia
Baldness permanent hair loss on scalp DAD
Impetigo
Highly contagious infection caused by streptococcal. SKIN INFECTION CREATS CRUST
Verrucae
Warts
Dermatitis
Inflammation of skin
Acne vulgaris
Inflammation of sebaceous gland
Athletes foot
Contagious fungal infection, usually affects feet
What are the layers of the skin?
Epidermis, dermis, subcutaneous facia
Psoriasis
Chronic, not contagious skin disease with periods of remission
Ringworm
Very contagious fungal infection of skin or scalp
Basal cell carcinoma
Slow-growing destructive cancerous skin tumor
Melanoma
Most dangerous type of skin cancer
Acne vulgaris def
Inflammation of sebaceous gland
Cause of acne vulgaris
To much sebum , excess of oil
Contact dermatitis
Inflammation of the skin can be caused by anything that irritates skin
Eczema
Chronic noncontagious inflammation of skin
Cause of eczema
Diet soap, cosmetics, medicine, stress
