| No. | Item | Definition |
|---|---|---|
| 1. | abscess | localized pocket of pus |
| 2. | acne | common inflammatory skin condition |
| 3. | actinic keratosis | sun-damaged precancerous rough patch |
| 4. | alopecia | hair loss |
| 5. | angioma | benign blood vessel growth |
| 6. | anhidrosis | reduced or absent sweating |
| 7. | antibiotic | medicine against bacterial infection |
| 8. | antifungal | medicine against fungal infection |
| 9. | basal cell carcinoma | common slow-growing skin cancer |
| 10. | benign | not cancerous |
| 11. | benzoyl peroxide | acne treatment reducing bacteria |
| 12. | biopsy | tissue sample for diagnosis |
| 13. | blister | fluid-filled skin bubble |
| 14. | botulinum toxin | injectable wrinkle-relaxing treatment |
| 15. | bruise | skin discoloration from bleeding |
| 16. | bulla | large fluid-filled blister |
| 17. | callus | thickened skin from friction |
| 18. | candidiasis | yeast infection of skin |
| 19. | carcinoma | cancer arising from epithelial cells |
| 20. | cellulitis | bacterial skin infection |
| 21. | collagen | skin-supporting structural protein |
| 22. | comedo | clogged pore lesion |
| 23. | corn | small painful thickened skin |
| 24. | crust | dried serum on skin |
| 25. | cutis | the skin |
| 26. | cyst | closed sac under skin |
| 27. | dermabrasion | skin resurfacing by abrasion |
| 28. | dermatitis | inflammation of the skin |
| 29. | dermis | inner layer of skin |
| 30. | desquamation | shedding of outer skin |
| 31. | ecchymosis | larger bruise-like bleeding patch |
| 32. | eczema | itchy inflammatory skin disorder |
| 33. | edema | swelling from fluid buildup |
| 34. | elastin | protein giving skin elasticity |
| 35. | epidermis | outer layer of skin |
| 36. | erosion | superficial loss of skin |
| 37. | erythema | redness of the skin |
| 38. | excoriation | scratch mark on skin |
| 39. | fissure | deep crack in skin |
| 40. | follicle | hair-growing skin structure |
| 41. | herpes | viral blistering infection |
| 42. | hidradenitis | painful inflamed sweat-gland disease |
| 43. | hirsutism | excess hair growth in women |
| 44. | hyperhidrosis | excessive sweating |
| 45. | impetigo | contagious superficial bacterial infection |
| 46. | induration | localized hardening of tissue |
| 47. | intertrigo | rash in skin folds |
| 48. | isotretinoin | powerful acne medication |
| 49. | keloid | overgrown raised scar |
| 50. | keratin | structural protein in skin |
| 51. | keratosis | thickened outer skin growth |
| 52. | laser | focused light treatment device |
| 53. | lentigo | flat pigmented spot |
| 54. | lesion | abnormal area of tissue |
| 55. | lichen planus | itchy inflammatory rash disorder |
| 56. | lichenification | thickened leathery skin from rubbing |
| 57. | maceration | softening from prolonged moisture |
| 58. | macule | flat discolored skin spot |
| 59. | malignant | cancerous and invasive |
| 60. | melanin | pigment giving skin color |
| 61. | melanoma | serious skin cancer from melanocytes |
| 62. | melasma | facial brown pigmentation patches |
| 63. | metastasis | spread of cancer cells |
| 64. | miliaria | heat rash from blocked sweat |
| 65. | nevus | a mole or birthmark |
| 66. | nodule | solid lump under skin |
| 67. | onycholysis | nail separating from nail bed |
| 68. | onychomycosis | fungal nail infection |
| 69. | onychorrhexis | brittle ridged nails |
| 70. | onychoschizia | splitting of the nail |
| 71. | papule | small solid raised bump |
| 72. | paronychia | infection around a nail |
| 73. | petechiae | tiny pinpoint bleeding spots |
| 74. | pityriasis rosea | self-limited scaly rash |
| 75. | plaque | broad raised skin area |
| 76. | pruritus | itching sensation |
| 77. | psoriasis | chronic scaly inflammatory skin disease |
| 78. | purpura | purple spots from bleeding |
| 79. | pustule | pus-filled skin bump |
| 80. | rash | area of irritated skin |
| 81. | retinoid | vitamin A related treatment |
| 82. | ringworm | fungal skin infection |
| 83. | rosacea | chronic facial redness disorder |
| 84. | scabies | itchy mite infestation |
| 85. | scale | flake of dead skin |
| 86. | scar | fibrous mark after healing |
| 87. | seborrhea | excess oily skin secretion |
| 88. | seborrheic dermatitis | flaky oily inflammatory rash |
| 89. | sebum | skin oil from glands |
| 90. | shingles | painful rash from varicella |
| 91. | squamous cell carcinoma | skin cancer of squamous cells |
| 92. | telangiectasia | visible small dilated blood vessels |
| 93. | tinea | fungal infection of skin |
| 94. | ulcer | open sore on skin |
| 95. | urticaria | hives; itchy raised welts |
| 96. | vesicle | small fluid-filled blister |
| 97. | vitiligo | patchy loss of pigment |
| 98. | wart | rough viral skin growth |
| 99. | wheal | temporary itchy raised swelling |
| 100. | xerosis | abnormally dry skin |