5 - Wounds Part2

5 - Wounds Part2 - Bruises Definition Bruising is caused...

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Bruises
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Definition Bruising is caused when an impact damages blood vessels such that the blood leaks into the perivascular tissues, and is evident on the skin surface as discoloration.
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the blood usually leaks in a diffuse manner that does not inflict the causative agent except intradermal bruising which is very superficial an lies immediately under epidermis in the uppermost layer of the dermis for example skin becomes squeezed into grooves of a motor tyre in RTA. Could be in skin (external bruises) , muscle or Could be in skin (external bruises) , muscle or any internal organ (internal bruises). any internal organ (internal bruises).
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Initial color of the bruise is the product of natural skin pigment , the color of pigment in the extravasated blood and any color added by the inflammatory reaction. Such discoloration changes in color, shape and location as the blood pigment is broken down and resorbed. In some cases although blood vessel may be damaged, there may be no visible evidence on the skin. In certain cases, it may take hours or days for a bruise to become apparent (as the blood diffuses through damaged tissue)
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Study made (Langlois & Gresham1991) concluded that it was only possible to state that a bruise with a yellow color
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5 - Wounds Part2 - Bruises Definition Bruising is caused...

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