The mark or wound made on skin by an insect, usually causing itching and minor swelling.
Compound of 'bug' (insect) plus 'bite' (wound made by teeth or fangs), a straightforward descriptive term for a common experience.
The itching sensation from a bug bite is caused by histamine released by your own immune cells attacking the insect's saliva, meaning you're actually allergic to the bite, not the bug itself.
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