The Study of Skin Flashcards
Healthy skin requires special care to maintain its health, elasticity, vibrancy, and ___________.
color
What is the technical term for the study of skin, including its structure, functions, diseases, and treatment?
dermatology
The outer protective layer of skin is called the _______________.
epidermis
What is another name for the stratum germinativum?
basal or stratum basale layer
Where does mitosis or replacement of skin cells take place?
stratum germinativum
The _____________ layer of the skin does not contain any blood vessels.
epidermis
Which two layers of the skin contain melanin?
stratum germinativum and stratum spinosum
On the human body, the thickest skin is located on the ________________.
palms and soles
Where are the blood vessels found that transport nourishment to the skin and nerves?
subcutaneous
Sudoriferous glands, sebaceous glands, sensory nerve endings, arrector pili muscles, and a major portion of each hair follicle are found in the _____________.
dermis
The layer of the epidermis that is shed and replaced constantly is the ___________________.
stratum corneum
What is notable about the stratum corneum?
it is the toughest layer of the skin
The stratum corneum is composed of ____________.
keratin cells
Which layer is the top, uppermost layer of the epidermis?
stratum corneum
What part of the skin is often referred to as “true skin”?
dermis
Which layer of the skin contains collagen protein fibers to help give the skin its elasticity and pliability?
dermis
The deterioration of collagen and elastin fibers during the aging process causes _____________.
wrinkles
What is the major function of the sudoriferous gland?
help regulate the body temperature
The sebaceous gland produces ____________.
sebum (oil)
What is the function of sebum?
mix with sweat to form the acid mantle
On what area of the body would you not find any sebaceous glands?
on the palms of the hands or soles of the feet
Sweat or perspiration is excreted by what gland?
sudoriferous
The small openings onto the skin from the sudoriferous glands are called ______________.
pores
Sudoriferous glands and sebaceous glands are referred to as ___________________.
duct glands
The excretion of perspiration from the skin is controlled by the _____________________.
nervous system
Control and regulation of body temperature by the sudoriferous glands helps maintain the body temperature at ______________.
98.6 degrees Farenheit
The greatest concentration of sudoriferous glands are found on the ______________________.
palms, soles, scalp, forehead, and underarms
The papillary canal takes oil (sebum) to the _________________.
surface of the skin
The subcutaneous layer of the skin is made up mostly of ___________________.
fatty cells
Nerve bundles in the subcutaneous tissue branch into the stratum granulosum layer and respond to ____________.
pain
What tans the skin to help protect it from harmful ultraviolet rays from the sun?
melanin
Where is the layer of skin called the subcutaneous layer located?
below the dermis
Which layer of skin contains large blood vessels that transport nourishment to the skin?
subcutaneous
Almost 90% of the skin’s wrinkles are caused by _____________________.
excessive exposure to the sun
On the human body, the thinnest skin is located ______________.
on the eyelids
Light skin and dark skin differ in the __________________________.
rate and amount of melanin produced
Healthy skin has a pH of ______________ and is slightly ______________.
4.5 to 5.5; acidic
What is the technical name for the study of the causes of disease?
etiology
What is the technical term for the study of diseases?
pathology
Anticipating the most probable course a disease may follow is called ______________.
prognosis
How should a cosmetologist react if the client has a skin disease?
refer the client to a physician
Chronic is the term used to identify conditions that are ______________.
frequent and habitual
The term used to identify conditions that are brief and severe is __________________.
acute
A disease influenced by the weather is referred to as _______________.
seasonal
A disease that spreads by personal contact is known as _______________.
contagious
An allergic reaction to cosmetics or chemicals that cosmetologists may be susceptible to is called ____________________.
dermatitis venenata
An example of a subjective symptom would be __________________.
itching
A papule is an example of a ______________________.
primary skin lesion