Basic Dermatology Terminology

3. papule or nodule that contains fluid or semi-fluid material so is fluctuant.
4. elevated, fluid-filled lesion.
6. the process of removing dead skin cells from the outer layer of your skin.
9. a small patch of skin that is altered in color, but is not elevated.
11. skin color that is paler than normal.
16. type of lesion that has a linear shape and often occurs for some external reason like scratching.
17. a skin condition characterized by blackheads, pimple outbreaks, cysts, infected abscesses, and scarring
18. a yellow or white fluid formed in infected tissue.
20. a "wall" made of cells called keratinocytes, which produce a protein called keratin and also contains pigment cells called melanocytes, which produce melanin.
21. an area of the skin covered by a crust, or scab, usually caused by scratching.
23. a circumscribed lesion that contains pus; also known as a pimple.
24. Tissue made up of fat cells that are surrounded by connective tissue, blood vessels, and nerves.
25. thinning of the skin due to reduction of underlying tissue.
26. type of lesion that is round; also known as discoid.
28. made up of connective tissue that supports the epidermis, providing nutrients and protecting it. The papillary _______ is the upper portion beneath the epidermis, and the lower portion is the reticular ______.
29. the reaction of the skin that causes redness, swelling, heat, and pain due to injury, infection, or allergic reaction.

1. a type of acne with a blackish bump on the skin caused by clogged hair follicles; also known as an open comedo.
2. large white or silver flakes, as in psoriasis.
5. type of lesions that are grouped in a circle
6. red skin due to an increased blood supply
7. darkened skin compared to normal.
8. elevated, solid, palpable lesion.
10. moist peeling skin.
12. a tiny opening on the surface of the skin.
13. elevated, solid, palpable lesion.
14. a firm pink, raised scar tissue.
15. a chronic inflammatory skin condition that results in itching, scaling, and thickening of the skin.
19. skin coming off in scales.
22. a localized collection of pus.
27. type of lesion that has concentric rings like a dartboard