| A | B |
|---|
| Epidermis | Outermost layer of skin |
| Dermis | Known as the corium or "true skin" |
| Subcutaneous layer | Connects skin to underlying tissues |
| Sudoriferous glands | Sweat glands |
| Sebaceous glands | Produce sebum |
| Follicle | Hollow tube that hair grows in |
| Hair shaft | Covers all body surfaces |
| Alopecia | Permanent loss of hair on the scalp |
| Nails | Made of dead keratinized epithelial cells |
| Melanin | Brownish-black pigment produced in the epidermis |
| Melanocyte | Cell that contains melanin |
| Albino | Absence of color pigment in the skin |
| Erythema | Reddish color that can be caused by burns or congestion of blood in the vessels |
| Jaundice | Yellowish discoloration of the skin |
| Cyanosis | Bluish discoloration caused by insufficient oxygen |
| Macules | Flat spots on the skin, such as freckles |
| Papules | Firm, raised areas such as pimples |
| Vesicles | Blisters, or fluid-filled sacs |
| Pustules | Pus-filled sacs such as those seen in acne |
| Cyst | Semi-solid or fluid-filled encapsulated mass extending deep into the dermis |
| Plaque | Circumscribed, solid, elevated lesion greater than 1cm in diameter |
| Wheals | Itchy, elevated areas with an irregular shape |
| Tumor | Elevated, solid lesion larger than 2cm in diameter, extending into dermal and subcutaneous layers |
| Crust | Areas of dried pus and blood, commonly called scabs |
| Ulcer | A deep loss of skin surface that may extend into the dermis |
| Skin Cancer | Most common type of cancer |
| Squamous cell carcinoma | Affects the thin cells of the epithelium |
| Melanoma | Develops in the melanocytes |
| Basal cell carcinoma | Cancer of the basal cells in the epidermis |
| Acne | Inflammation of the sebaceous glands |
| Athlete's foot | Contagious fungal infection that usually affects the feet |
| Eczma | Noncontagious, inflammatory skin disorder caused by allergens or irritants |
| Psoriasis | chronic, noncontagious skin disease with periods of exacerbations and remissions |
| Ringworm | highly contagious fungal infection of the skin or scalp |
| Impetigo | Highly contagious condition resulting from staphylococcus or streptococcal infection |
| Warts | caused by papilloma virus; type of benign neoplasm of the skin |
| Boils | also called furuncles are most often local staphylococci infections of hair follicles characterized by large, inflamed pustules |
| Carbuncle | A group of untreated boils that fuse into even larger pus filled lesions |
| Uticaria | (Hives); characterized by raised, red lesions called wheals |
| Decubitus ulcer | (pressure sore); |
