| A | B |
|---|
| Necrosis | Death of tissue |
| Nevus | Pigmented lesion of the skin |
| Nevus | Birthmark or mole is an example of this |
| Nodule | Small cluster of cells felt under the skin |
| Papule | Pimple |
| Petechia | Small, pinpoint hemorrhage on the skin |
| Petechiae | Pleural form of a small, pinpoint hemorrhage on the skin |
| Polyp | Tumor with a stalk growing from the surface of mucous membrane (nose, colon) |
| Pruritus | Itching of skin, causing rubbing or scratching |
| Psoriasis | Chronic, recurrent dermatosis with itchy, scaly, red patches covered by silvery gray scales |
| Purpura | Rash in which blood cells leak into the skin |
| Pustule | Small elevated skin lesion |
| Pustule | Blister |
| Rubella | German measles |
| Rubeola | Measles |
| Scabies | Contagious, parasitic (itch mite) infection of the skin with pruritus |
| Seborrhea | Dandruff |
| Tinea | Infection of the skin caused by a fungus |
| Tinea | Ringworm |
| Tinea Barbae | Ringworm of the skin under a beard |
| Tinea Capitis | Ringworm of the scalp |
| Tinea Pedia | Athlete's foot |
| Ulcer | Lesion or erosion of skin or mucous membrane |
| Ulcer | Bedsore is an example of this |
| Urticaria | Hives |
| Urticaria | Swollen, raised, itchy areas |
| Varicella | Chicken pox |
| Verruca | Wart |
| Verruca vulgaris | Common wart |
| Vesicle | Blister |
| Vitiligo | Patchy loss of pigment |
| Wart | Epidermal growth caused by a virus |
| Xeroderma | Roughness and dryness of skin |
