Chpt. 7 - Skin Structure & Growth Flashcards
ADIPOSE?
Tissue that gives smoothness and contour to the body, contains fats for use as energy, and also acts as a protective cushion for the outer skin.
BASAL CELL LAYER aka STRATUM GERMINATIVUM LAYER?
the deepest, live layer of the epidermis that produces new epidermal skin cells and is responsible for growth.
BLOOD?
Fluid circulating through the circulatory system (heart, arteries, veins, and capillaries) that distribute blood throughout the body.
COLLAGEN?
Fibrous protein that gives skin its form and strength.
COMEDONE?
Hair follicle filled with keratin and sebum. When the sebum of the comedone is exposed to the environment, it oxidizes and turns black (blackheads). When the follicle is closed and not exposed, comedones are a white or cream color (whiteheads).
DERMATOLOGIST?
Physician engaged in the science of treating the skin, including its structures, functions, and diseases.
DERMATOLOGY?
Medical branch of science that deals with the study of skin and its nature, structure, functions, diseases, and treatment.
DERMIS?
Underlying or inner layer of the skin; also called the derma, corium, cutis, or true skin.
ELASTIN?
Protein base, similar to collagen, that forms elastic tissue.
EPIDERMAL-DERMAL JUNCTION?
The top of the papillary level where it joins the epidermis.
EPIDERMIS?
Outermost layer of the skin; also called cuticle.
ESTHETICIAN?
Specialist in the cleansing, preservation of health, and beautification of the skin and body.
KERATIN?
Fiber protein that is the principle component of hair, skin, and nails.
MELANIN?
Tiny grains of pigment deposited in the basal cell layer of the epidermis and papillary layer of the dermis.
MELANOCYTES?
Melanin-forming cells.
MOTOR NERVE FIBERS?
Distributed to the arrector pili muscles attached to hair follicles.
PAPILLARY LAYER?
Outer layer of the dermis, directly beneath the epidermis.
RETICULAR LAYER?
Deeper layer of the dermis that supplies the skin with oxygen and nutrients; contains cells, vessels, glands, and follicles.
RETINOIC ACID?
Prescription cream for acne.
SEBACEOUS GLANDS?
Oil glands of the skin connected to hair follicles.
SECRETORY COIL?
Coiled base of the sweat gland.
SECRETORY NERVE FIBER?
Distributed to the sweat and oil glands of the skin.
SENSORY NERVE FIBERS?
React to heat, cold, touch, pressure, and pain. These sensory receptors send messages to the brain.
STRATUM CORNEUM?
Outer layer of the epidermis
STRATUM GRANULOSUM?
Granular layer of the epidermis.
STRATUM LUCIDUM?
Clear, transparent layer just under the skin surface.
STRATUM SPINOSUM?
Spiny layer of the epidermis.
SUBCUTANEOUS TISSUE?
fatty layer found below the dermis that gives smoothness and contour to the body, contains fat for use as energy and also acts as a protective cushion for the outer skin; also called adipose or subcutis tissue.
SUDORIFEROUS GLANDS?
Sweat glands of the skin.
TACTILE CORPUSCLES?
Small epidermal structures with nerve endings that are sensitive to touch and pressure.
VITAMIN A?
Aids in the health, function, and repair of skin cells.
VITAMIN C?
Needed for proper repair of the skin and various tissues.
VITAMIN D?
Promotes the healthy and rapid healing of the skin.
VITAMIN E?
Helps fight against, and protect the skin from the harmful effects of the sun’s rays.
The medical branch of science that deals with the study of skin, it’s functions, diseases, & treatments is ______?
DERMATOLOGY
The largest living organ of the body is ______?
SKIN
Healthy skin is slightly moist, soft, and flexible with a texture that is ______?
SMOOTH & FINE GRAINED
Continued pressure on any part of the skin can cause it to thicken and develop what?
A CALLUS
Appendages of the skin include hair, nails, & _____?
SWEAT & OIL GLANDS
The skin is generally the thinnest on what area of the body?
EYELIDS
The skin on the scalp has larger and deeper _____?
HAIR FOLLICLES
The outermost layer of the skin is called ______?
THE EPIDERMIS LAYER
The epidermis layer of the skin does not contain what?
BLOOD VESSELS
The stratum germinativum is the deepest layer of the epidermis and is responsible for what?
THE GROWTH OF THE EPIDERMIS
The dark special cells that protect sensitive cells and provide color to the skin are ______?
MELANOCYTES
The granular layer of the skin is also called the ______?
STRATUM GRANULOSUM
The outermost layer of the epidermis is the ______?
STRATUM CORNEUM
The deepest layer of the epidermis is the ______?
STRATUM GERMINATIVUM
The clear, transparent layer under the skin surface is _______?
STRATUM LUCIDUM
Cells that are almost dead are pushed to the surface to replace cells that are shed from what layer?
STRATUM GRANULOSUM
The underlying or inner layer of the skin is the _____?
DERMIS LAYER
The outermost layer, directly beneath the epidermis is the ______?
PAPILLARY LAYER
The deepest layer of the dermis that supplies the skin with oxygen and nutrients and contains sweat and oil glands is the ______?
RETICULAR LAYER
Tissue that gives smoothness & contour to the body and provides a protective cushion is _____?
SUBCUTANEOUS TISSUE
The clear fluid that removes toxins & cellular waste and has immune functions is _____?
LYMPH
Motor nerve fibers attached to the hair follicle that can cause goosebumps are ______?
ARRECTOR PILI
Nerves that regulate the secretion of perspiration and sebum are ______?
SECRETORY NERVE FIBERS
Basic sensations such as touch, pain, heat, cold, & pressure are registered by _______?
NERVE ENDINGS
The amount and type of pigment produced by an individual is determined by _____?
GENES
Skin gets it’s strength, form, and flexibility from flexible fibers found within the ______?
DERMIS LAYER
The fibrous protein that gives skin its form and strength is _____?
COLLAGEN
A fiber that gives skin its flexibility and elasticity is _____?
ELASTIN
The sudoriferous glands help the body regulate what?
TERMPERATURE
A tube-like duct that ends at the skin surface to form the sweat pore is the ______?
SECRETORY COIL
The sebaceous or the oil glands are connected to the _____?
HAIR FOLLICLE
The principle functions of the skin are protection, sensation, heat regulation, excretion, __?__, & ___?___?
SECRETION & ABSORPTION
The best way to support the health of the skin is by eating foods that contain _____?
FATS, CARBS, & PROTEINS
