Term | Definition |
Actinic Keratosis | A premalignant watery lesion occurring on the sun-exposed skin of the face or hands in aged light - skinned people |
Alopecia | Loss of hair from head or body (baldness) |
Basal Cell Carcinoma | A slow growing malignant neoplasm |
Benign Lesion | A tumor that does mot form any metastases, and does not invade and destroy adjacent normal tissue |
Biopsy | A process of removing tissue from a patient for macroscopic diagnostic examination |
Congenital Nevus | A melanocytic nevus that is visible at birth, is often larger than an acquired nevus |
Contact Dermatitis | Acute or Chronic dermatitis caused by initial irritant effect of a substance that is exposed to the skin |
Cutaneous | Pertaining to the skin |
Debridement | Removal of foreign materials, necrotic matter, and devitalized tissue from wound or burn |
Decubitus Ulcer | Focal ischemic necrosis of skin and underlying tissues at sites of constant pressure or recurring friction |
Dermabrasion | Procedure used to remove acne scars or pits, performed with sandpaper or other abrasive materials |
Dermatofibroma | A slowly growing, benign skin nodule consisting of poorly demarcated cellular fibrous tissue |
Dermatologist | A physician who specializes in diagnosing and treating cutaneous and related systemic diseases |
Dermatology | The study of skin |
Dermatome | An instrument for cutting thin slices of skin for grafting or excising small lesions |
Dermis | Directly below the epidermis, the dermis is the second layer of the skin |
Dysplastic Nevus | Cutaneous pigmented lesions with notched, irregular borders, considered pre-malignant |
Ecchymosis | A condition in which blood seeps into the skin causing discoloration |
Epidermis | The outer layer of the skin |
Eschar | A thick crusty covering or slough that develops after thermal or chemical burn or cauterization of the skin |
Follicles | Specialized structures required for hair growth |
Gynecomastia | Excessive development of the male mammary glands |
Hair Follicles | Sacs that hold the root of hair fibers |
Hair Papilla | Knoblike indentation at the bottom of hair follicle that contains the blood supply to hair root |
Hypodermic | Pertaining to under the skin |
Impetigo | A contagious superficial pyoderma caused by Staph or group A Strep |
Intradermal | Pertaining to within the layers of the skin |
Intradermal Nevus | A Nevus in which nests of melanocytes are found in the dermis, but not at the epidermal-dermal junction |
Jaundice | Yellowness of the skin |
Keloid | A nodular, firm, often-linear mass hyperplastic, thick scar tissue |
Lunula | Little moon area of nail |
Melanin | Pigment that gives color to the skin |
Melanoma | A pigmented tumor of the skin |
Mycoses | Any disease caused by a fungus |
Nail Body | Visible part of nail |
Nail Bed | Skin below nail - epidermis and dermis (sterile matrix) |
Necrosis | Pathologic death of one or more cells, or of a portion of tissue or organ resulting from irreversible damage |
Nevus | A circumscribed malformation of the skin, especially one that is colored by hyperpigmentation |
Onychitis | Inflammation of nail matrix |
Pediculosis | Infestation with lice |
Pilonidal Cyst | Hair - containing cyst or sinus in the tissues of the sacrococcygeal area |
Pruritus | Relating to itching |
Psoriasis | A common inherited condition characterized by the eruption of reddish, silvery-scaled maculopapules |
Sebaceous Cyst | A common cyst of the skin and subcutis containing sebum and keratin |
Seborrhea | Over activity of the sebaceous gland, resulting in an excessive amount of sebum |
Subcutaneous | Pertaining to below skin |
Tinea | Ringworm (a fungal infection of the skin) |