Lecture 2

Blisters (fluid-filled sacs): Vesicles. Pus-filled sacs (pimples, etc.): Pustules. Areas of dried pus & blood (commonly called “scabs”): Crusts. Itchy, elevated areas with irregular shapes (hives, insect bites): Wheals. Term used to indicate any abnormal change in body tissue: cut, … ................
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