Final answer:
Ecchymosis is the term for a black-and-blue bruise, while purpura refers to larger areas of purple skin discoloration from internal bleeding.
Explanation:
Ecchymosis refers to a black-and-blue bruise. It is a type of injury that causes skin discoloration due to broken blood vessels beneath the skin.
Purpura is another term for larger areas of purple skin discoloration caused by internal bleeding.
Learn more about Bruises and Skin Discoloration here:
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