Integumentary System Key Terms
The deep layer of the skin, which contains connective tissue, nerve endings, hair follicles, sweat glands, and sebaceous glands.
Dermis
The superficial layer of skin.
epidermis
The blue coloration of the skin and mucous membranes caused by insufficient blood flow.
Cyanosis
Which type of burn is classified as a mild sunburn?
First degree burn
The deepest layer of the epidermis of the skin.
stratum basale (strat’ŭm bā-sā’lē)
The clinical term for baldness.
alopecia (al-ō-pē’shē-ă)
Under the skin
Subcutaneous
Yellowish color of the skin.
Jaundice
Name two factors that determines the amount of melanin your body produces.
Genetics, hormones, amount of exposure to light
The layer of the epidermis only found in the palm of hands and soles of feet.
Stratum Lucidum
A pigment that is deposited throughout the layers of the epidermis.
melanin
A word that describes spreading to other parts of the body.
Metastasis
The cells that produce melanin.
Melanocytes
What is responsible for producing reddish-yellow hair
Pheomelanin
A blood clot and dried tissue fluids form a ______?
Scab
A cell type within the epidermis that makes the pigment melanin.
melanocyte (mel’ă-nō-sīt)
The most frequent type of skin cancer.
basal cell carcinoma
The type of burn that causes the tissues and nerves to be completely damaged.
Third degree burns
The type of glands that responds to heat and body temperature.
Eccrine sweat glands
A chronic skin condition caused by yeast.
Dandruff (Seborrheic dermatitis)
A type of oil gland found in the dermis.
Sebaceous gland
What is the process called where keratinocytes migrate toward the surface of skin, harden, dehydrate, and die.
Keratinization
This type of gland becomes active at puberty; responds to fear, emotions, and sexual arousal.
Apocrine sweat glands
The type of cells responsible for removing debris, pathogen and dead cells for the site of injury.
Phagocytic cells
The white half moon at the base of the nail body.
lunula
An oily substance produced by sebaceous glands.
sebum (sē’bŭm)
A type of gland that secrete wax in the ear canal, to trap dust and pathogens.
Ceruminous gland
a chronic skin condition that can be triggered by allergic reactions to chemicals, fabrics, heat, and dryness.
Eczema
What does exposure to the sun produce that is good for normal brain function?
Vitamin D
The type of cells responsible for secreting collagen fibers to bind the edges of a wound.
Fibroblasts
The most superficial layer of the epidermis of the skin.
stratum corneum (strat’ŭm kōr’nē-ŭm)
a chronic skin condition that causes flaky, silver-white patches called scales
Psoriasis
What is the phrase used to describe the body being divided into 11 regions, each accounting for 9% of total body areas?
"Rule of Nines"
Name two mechanisms that helps keep our bodies from losing too much heat.
Goose bumps (shivers) and Blood vessels (arterioles) constrict reducing blood flow
What structure is responsible for providing unique fingerprints?
Dermal Papillae