1
name the 4 structures of the integumentary system
skin, hair, nails, glands,
layer of skin that contains the hair follicles, glands, and blood vessels
dermis
the top layer of epidermis
stratum corneum
produce melanin
where are keratinocytes found
the hypodermis is also called the ____ layer
subcutaneous
the subcutaneous layer is composed of what 2 types of tissue
adipose and areolar
as skin cells grow and divide they push towards the top of the skin, harden and die. this process is called ___
keratinization
type of burn that only damages the epidermis
first degree burn
type of burn that damages the epidermis and some of the dermis
second degree burn
the epidermis is composed of what type of tissue
stratified squamous epithelium
skin disorder that is characterized by clogged hair follicles
acne
type of melanin produced in darker skin people
eumelanin
the main factor in determining skin color
genetics
a response to injury that includes redness, pain, swelling, and heat
inflammation
skin cancer that arises from melanocytes
melanoma
skin cancers that arise from non pigmented cells
carcinomas
skin disorder that is characterized by red flushing of the face,
rosacea
the ___ causes fingerprints
dermal papillae
ancient skin disease that is caused by a bacteria and is easily cured now
leprosy
___ glands secrete oil and cellular waste (NOT OIL GLANDS)
sebaceous glands
type of gland that secretes sweat, most prominant on the forehead and back, respond to elevated body temperature (MUST BE SPECIFIC)
eccrine glands
the nails grow from what strucuture
lunula
bottom layer of the epidermis where living cells are
stratum basale
layer of epidermis found only in thick skin
stratum lucidum