Test 4 Flashcards
(237 cards)
Alopecia
Loss of hair from any cause
Ecchymosis 
Bleeding into the skin and tissue initially evidenced by varied color that gradually fades to green yellow or brown overtime
Erythema
Redness of the skin caused by dilation of the capillaries due to injury, irritation inflammation are very skin conditions
Hirsutism
The Condition of having excessive hair growth
Hyperpigmentation
Increase in the melanin of the skin, resulting in an increase in pigmentation
Hypo pigmentation
Decrease in the melanin of the skin resulting in loss of pigmentation
Keratin
An insoluble fibrous protein that forms the outer skin layer
Keratinocytes
Arising from the innermost layer of the epidermidis synthesize, the insoluble protein keratin
Langerhans cells
The dendritic clear cells in the epidermidis that carry surface receptors for immunoglobulin and complement, and that are active participants in delayed hypersensitivity of the skin
Melanin
The substance responsible for coloration of the skin
Melanocyte
Cells of the skin produce melanin
Merkel cells
Cells of the epidermis that play a role in transmission of sensory messages
Petechiae 
Pinpoint red spots that appear on the skin as a result of blood leakage into the skin
Rete ridges 
Undulations and furrows that appear at the lower edge of the epidermidis at the dermal junction where these two skin layers are cemented together
Sebaceous glands
Glands that exist within the epidermis and secrete sebum to keep the skin soft and pliable
Sebum
Fatty secretion of the sebaceous glands
Telangiectasias
Vascular structures; red marks on the skin caused by distention of the superficial blood vessels
Vitiligo
A localized or widespread condition, characterized by destruction of the melanocytes in circumscribed areas of the skin resulting in white patches
Wood light
Ultraviolet light used for diagnosing skin conditions
Acantholysis
Separation of epidermal cells from each other due to damage or abnormality of the intracellular structure
Bullae
Large fluid filled blisters
Carbuncle
Localized skin infection involving several hair follicles
Cheilitis
Inflammation of the lips
Comedones
The primary lesions of acne caused by sebum blockage in the hair follicle