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colleen colleen
wrote...
Valued Member
Posts: 17077
11 years ago
Why do inflamed tissues appear red, swollen, and warm?
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Sunshine ☀ ☼

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Replies
wrote...
Educator
11 years ago
Affected cells release histamine, which makes capillaries leaky and dilates arterioles, causing increased blood flow. This causes redness (from increased blood flow), warmth, and swelling.
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