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401 - Confirm Physical Status
Section 4 - Integumentary System
15
Nursing
Undergraduate 1
08/21/2013

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Cards

Term
EPITHELIUM
Definition
[image]
Membranous tissue composed of one or more layers of cells

* Covering most internal and external surfaces of the body and internal surfaces and its organs
Term
EPIDERMIS
Definition
The epidermis is the skin's outer structure serving a protective function.

THE EPITHELIUM COVERING THE SURFACE OF THE SKIN
Term
DERMIS
Definition
THE 20 LAYERS OF CONNECTIVE TISSUE BENEATH THE EPIDERMIS OF THE SKIN
(10 LAYERS = DEAD + 10 LAYERS = KEROTIN)
Term
SUBCUTANEOUS - HYPODERMIS
Definition
LAYER OF LOOSE CONNECTIVE TISSUE BELOW THE DERMIS; ALSO CALLED SUBCUTANEOUS LAYEROR SUPERFICIAL FACIA
Term
SKIN FUNCTIONS
Definition
* Protects from environmental hazards
* Maintains Body Temperature
* Excretes salts, water & waste
* Produces melanin / keratin
* Detects sensory information
* Co-Ordinates Immune System
Term
HAIR FOLLICLE FUNCTION
Definition
* Produces hairs that protect the skull
* Produces hairs that provide touch sensations on body surface
Term
SEBACEOUS GLANDS FUNCTION
Definition
* Secrete sebum, which coasts hair follicle & surrounding epidermal surface
* Sebum provides lubrication & antibacterial properties
Term
HAIR SHAFT FUNCTION
Definition
* Non growing portion of hair that protrudes from the skin
* Provides structure for hair that is present outside the skin
Term
NERVES FUNCTION
Definition
Communication - passing electrical / chemical messages from neuron to / from neuron to other target cells
Term
BLOOD VESSELS FUNCTION
Definition
Distribute blood around the body
Term
ARRECTOR PILI MUSCLE FUNCTION
Definition
Smooth muscles whose contractions force hairs to stand on end
Term
SUDORIFEROUS (SWEAT) GLAND
Definition
* Discharge sweat by tiny openings in the surface of the skin.
* Flushes epidermal surface & performs other special functions
Term
SWEAT POOR FUNCTION
Definition
A sweat pore is a small opening on the skin, and serves as the passage for fluid from the duct of a sweat gland to the top layer, or dermis.
Term
WHAT ARE NAILS
Definition
Thick sheets of keratinized epidermal cells that protect the tips of the fingers and nails.
Term
STATE THE NAILS FUNCTIONS
Definition
* Protect the exposed dorsal surfaces of the finger tips and toes
* Keep digits from distorting under mechanical stress eg, running / grasping object
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