the skin and its parts chapter 4
stratum corneum
outermost epidermal layer
the integumentary system provides the body protection from three types of environmental damage ; _________, __________ and ____________
chemical , mechanical , and microbial
vitiligo
condition of hypo-pigmentation
the outermost layer of the skin forms from the embryological germ layer _________ and develops into _____________ epithelial tissue
ectoderm & stratified squamous
Two categories of skin aging factors are known as ______ and _______
extrinsic and intrinsic
lipoma
fat cell tumor
hair papilla
hair follicle base
the four categories of skin appendages are ______, _______, ______, and _______
hair, nails, nerves and glands
the three layers of human skin from deep to superficial are _________, _____________ and ____________
hypodermis, dermis, and epidermis
inherent
inborn
furuncle
inflamed hair follicle; a boil
hair medulla
inner layer of the hair
fingernails and toenails are composed of the protein ________
keratin
tinea
ringworm
the skins ability to detect environmental stimuli is due to its many specialized nerve cells, which are called ___________
sensory receptors
sebum
skin and hair "oil"
the innermost layer of the epidermis is known as the _________
stratum germinativum
the bulk of the dermis is composed of loose connective tissue known as ____________, which contains the fibers __________, ____________, and ____________
alveolar, collagen, elastin, and rectulin
stratum lucidum
associated with thick skin
commensals
beneficial bacteria found on the skin
the _________ , __________ , and ___________ glands are commonly found in the skin
ceruminous, sebaceous , and sweat
stratum spinsoum
a layer of epidermis that contains immune system cells
malpighian layer
a layer of epidermis that contains melanocytes for the production of pigmentation
angiogenic factors
a secretion that initiates development of the blood vessels
lunula
white "half moon" portion of the finger nail
