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| The skin is composed of two distinct layers: |
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| The Integumentary system also includes smaller accessory organs embedded within the skin, such as: (5) |
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-Hair follicles
-Nails
-Sebaceous glands
-Sweat gland
-Sensory receptors |
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| The primary function of the Integumentary system is: |
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-Protection:
-Against outside temperature changes
-Dehydration
-Infectious microorganisms that may cause disease
-Physical injury |
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| A common injury to the skin caused by scarping producing a superficial wound |
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-A localized elevation of the skin containing a cavity, which is a sign of local infection
-The abscess cavity contains a mixture of bacteria, white blood cells, damaged tissue, and fluids collectively known as pus and is surrounded by inflamed tissue |
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| Words used to describe the production of pus: (3) |
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-Suppuration
-Purulence
-Pyogenesis |
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-A local uneven surface of the skin and is a sign of subcutaneous fat deposition
-Cellulite is relatively common in women on the thighs and buttocks |
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| Cicatrix (sik ah TRYE sees) |
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-AKA Pimple
-It is the local elevation of the skin from the buildup of oil from sebaceous (oil glands) |
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-Aka a bruise
-Discoloration and swelling of the skin that is symptomatic of an injury, such as a blow to the body
-Is a common symptom following physical trauma |
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-A blue tinge of color to an area of the skin
-Is a sign of cardiovascular disturbance
-Is usually apparent most clearly in the lips and fingertips |
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| -A closed sac or pouch on the surface of the skin that is filled with liquid or semisolid material |
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-Fluid accumulation (swelling)
-Caused by the leakage of fluids across capillary walls
-A common sign of injury and infection |
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-Any redness of the skin
-A common sign of injury or infection |
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| A narrow break or slit in the skin |
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| The local swelling on the skin |
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-A local hard area of the skin, or perhaps elsewhere on the body
-Usually a sign of an excessive deposit of collagen or calcium |
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-Abnormal yellow coloration of the skin and eyes
-The yellowing results from an abnormal release of bile pigments by the liver |
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-An overgrowth of scar tissue that forms an elevated lesion on the skin
-It is often discolored, which sets it apart from adjacent, normal skin |
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| The common result of an injury caused by a tear or perhaps a cut by a sharp object with an irregular surface |
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-A discolored flat spot on the skin, such as a freckle
-A sign of sun damage to the skin, and the tendency to develop them is genetically determined |
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-A pigmented spot that is commonly called a mole
-Similar to a macule but darker in color
-A sign of a benign tumor, and if its edges become irregular or the color changes, the nevus should be examined as a suspect malignancy known as melanoma |
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-An abnormally pale color of the skin
-A sign of an internal condition causing a decreased flow of blood to the skin |
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-A general term describing any small, solid elevations on the skin
-Example: comedo |
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| Petechia (peh TEE kee ah) |
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-A sign of circulatory disorder
-It occurs when a small blood vessel supplying the dermis of the skin ruptures |
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-The symptom of itchy skin
-Is not a constructed term that uses the suffix -itis is just one word |
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-A symptom of purple-red skin discoloration
-Is usually the result of a hemorrhage (broken blood vessel) that spreads blood through the skin |
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| A general term for an elevated area of skin filled with pus |
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-An erosion through the skin or mucous membrane
-A common form of ulcer arises from lack of movement when lying supine for a extended period of time |
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| Urticaria (er tih KARE ree ah) |
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-Small fluid-filled skin elevations
-The result of a common allergic skin reaction to medications, foods, infections, or injury
-Also known as hives, may be accompanied by pruritus |
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-A wart
-A sign of infection by a papilloma virus |
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-A small elevation of the epidermis that is filled with fluid
-Example: A blister |
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-A temporary, itchy elevation of the skin, often with a white center and red perimeter
-A symptom of an allergic reaction often of the skin |
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