Integumaentary System Flashcards
Cut-
Skin
Derm-
Skin
Epi-
Upon
Follic-
Small bag
Kerat-
Horn
Melan-
Black
Seb-
Grease
Largest organ, includes accessory structures such as hair, fingernails, sensory receptors, and glands
Integumentary system
Outer layer of the skin
Epidermis
Inner layer of the skin
Dermis
Anchors the epidermis to the dermis
Basement membrane
Beneath the basement membrane, consists of loose connective tissue, adipose tissue
Subcutaneous layer
Deepest layer of epidermal cells
Stratum basale
When older cells harden and die
Keratinization
Outermost layer of the skin, mostly composed of dead cells
Stratum corneum
Layers of the epidermis
Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum basale
Produce melanin, absorbs UV rays and is in the deepest layer of the epidermis (stratum basale)
Melanocytes
When melanocytes transfer melanin granules into other cells
Cytocrine secretion
When blood oxygen concentration is low, hemoglobin is dark red, and the skin appears bluish
Cyanosis
Most abundant in hands and feet, extend into spaces between the ridges of the epidermis.
Dermal papillae
Goes over the nail bed
Nail plate
Surface of skin under your nail plate
Nail bed
Half moon at base of your nail plate
Lunula
Where hair develops
Hair follicle
In the hair follicle in the dermis
Hair root
Hair you can see
Hair shaft
What makes brown-black hair
Eumelanin
What makes blond and red hair
Pheomelanin
Lacks melanin all together
Albinism
Muscle bundle that pushes a hair follicle on end
Arrector pili muscle
Secrete sebum
Sebaceous glands
Exocrine glands that are through out the skin
Sweat glands
Most abundant sweat gland, activated by physical activity and other things
Eccrine gland
Puberty related eccrine glands
Apocrine gland
Blood vessels in affected tissues dilate and become more permeable, allowing fluids to leak into the damaged tissues.
Inflammation
Blood vessels breaks to form ______ when dermis is damaged
Scab
What removes dead cells and other debris
Phagocytic cells
Collagenous fibers form a large scar
Granulation
Disease of the sebaceous glands
Acne
Hair loss usually sudden
Alopecia
Fungus infection usually in the skin
Athletes foot
Congenital blemish or spot on the skin visible at birth or soon after
Birthmark
Bacterial infection of the skin, produced when bacteria enters a follicle
Boil
Similar to a boil that spreads into subcutaneous tissues
Carbuncle
Liquid filled sac or capsule
Cyst
Inflammation of the skin
Dermatitis
Noncontagious rash
Eczema
Reddening of the skin in response to an injury
Erythema
