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30 Cards in this Set
- Front
- Back
Dermatology involves the scientific study of all of the following except the ___
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cosmetic products.
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Skin with a smooth texture ___
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is healthy.
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Slight acidity of the skin indicates ___
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good health.
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The skin of the eyelids ___
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is the thinnest on the body.
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The skin is constructed of two clearly defined divisions:___________
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the epidermis and the dermis.
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The strata are the layers of the ___
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epidermis.
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The stratum corneum consists of _________ cells that are continually shed and replaced by cells coming to the surface from the underlying layers.
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tightly packed, scale-like
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The stratum granulosum consists of cells that look like ___
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distinct granules.
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The stratum spinosum is the sub-layer that lies above the ___ and beneath the granulosum.
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basal strata
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The ___ is also called the true skin.
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dermis
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The ___ is 25 times thicker than the epidermis.
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dermis
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Papillae contain small structures called ___ with nerve fiber endings that are sensitive to touch and pressure.
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tactile corpuscles
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Hair follicles are found in the ___ layer of the dermis.
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reticular
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The reticular layer ___.
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supplies the skin with oxygen and nutrients
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The subcutaneous tissue ___.
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gives smoothness and contour to the body
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Essential materials for growth, nourishment, and repair of the skin are supplied by lymph and ___.
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blood |
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Networks of arteries and lymphatics in the ___ send their smaller branches to hair papillae, hair follicles, and skin glands.
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subcutaneous tissue
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The sweat and ___ glands of the skin contain secretory nerve fibers.
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oil |
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Sensory nerve fibers ___
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send messages to the brain
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Motor nerve fibers ___.
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are distributed to the arrector pilli muscles
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The nerve endings that provide the body with ___ are found in the papillary layer.
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the sense of touch
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The ___ of skin is provided by elastin.
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elasticity and flexibility
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The primary source of ___ is melanin.
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skin color
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___ is produced by melanosomes.
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Melanin
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Sudoriferous glands are also known as ___ glands.
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sweat |
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Sweat glands consist of a coiled base and a tube-like duct that terminates at the skin surface to form the ___.
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sweat pores |
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The nervous system controls the ___.
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excretion of sweat
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Sebum lubricates the skin and ___.
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preserves the softness of the skin
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A blackhead is formed when ___ becomes hardened and the duct becomes blocked.
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sebum
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One of the principal functions of the skin is ___.
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protection |