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Active transport
movement of ions or molecules across cells membranes, usually against a pressure gradient and with expenditure of metabolic energy.
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Boil
A furuncle; an acute circumscribed inflammation of the subcutaneous layers of the skin of a gland, or a hair follicle.
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Chancre
The primary lesion of syphilis, appearing at the site of entry of the infection, approximately two or three weeks after exposure. Begins as a papule which breaks down into an ulcer.
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colloid osmotic pressure
pressure exerted by plasma proteins on permeable membranes in the body; synonym for oncotic pressure.
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dermatitis
inflammation of the skin evidence by itching, redness, and various skin lesions
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dermatologist
a physician who specializes in treating disease of the skin
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diffusion
tendency of solutes to move freely throughout a solvent from an area of higher concentration to an area of lower concentration until equilibrium is establish.
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edema
accumulation of fluid in extracellular spaces
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electrolytes
a substance that separates on a solution and conducts an electric current
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emollient
An agent that will soften and soothe the part when applied locally. The term is usually confined to agents affecting the surface of the body
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Extracellular fluid
Body fluid that is found in the vascular and interstitial spaces
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filtration
passage of fluid through a permeable membrane whose spaces do not allow certain solutes to pass; passages is from an area of higher pressure to one of lower pressure.
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hives
Eruption of very itchy wheals, caused by an allergic substance or food or by sudden sharp changes in climate
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homeostasis
various physiologic and psychological mechanism respond to changes in the internal and external and environment to maintain a balanced state
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hyperkalemia
an excess of potassium in the blood
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hypernatremia
an excess of sodium in the blood
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hypokalemia
a deficit of potassium in the blood
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Hyponatremia
a deficit of sodium
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hypotonic
having a lesser concentration than the solution with which it is being compared.
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interstitial
pertaining to the spaces between the cells
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intracellular fluid
body fluid that is found inside of the cell
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isotonic
having about the same concentration as the solution with which it is being compared
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keloid
overgrowth of collagenous scar tissue at the site of a wound of the skin
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lesion
Any visible local abnormality of the tissue of the body as a wound, sore, rash, or boil
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malignant neoplasm
a growth that infiltrates tissue, metastasizes and often recurs after attempts at surgical removal
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mole
a pigmented skin blemish, a nervus
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obligatory loss
the amount of water the body needs to lose in 24 hrs in order to remove waste products from the blood and through vaporization
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osmosis
passage of solvent through a semipermeable membrane from an area of lesser concentration to an area of greater concentration until equilibrium is established
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regeneration
the replacement of destroyed tissue cells by cells that are identical or similar in the structure and function
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sebaceous gland
oil secreting gland of the skin. the glands are simple or branched alveolar gland most of which open into hair follicles. they are holocrine glands their secretion is called sebum. most but not all sebaceous glands have a hair follicle associated with them
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vitiligo
a cutaneous condition characterized by milk white patches surround by areas of normal pigmentation. more common in the tropic and in blacks
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wart
A circumscribed cutaneous elevation resulting from hypertrophy of the papillae and epidermis. it is caused by virus
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