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96 Cards in this Set

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Dermat/o
Combining form for skin
Cutane/o
Combining form for skin
Epidermis
-Outermost layer of skin
-stratified squamous epithelium
-no blood supply
Dermis
-Second layer of skin
-contains blood supply, nerves, lymph vessels, receptors, accessory organs
Subcutaneous Layer
-Underlies dermis and connects skin to muscles, etc
-protection against shock and temperature changes
Sebaceous Gland
- associated with hair follicles
- secrete oily sebum
- found all over the body
Sudoriferous Gland
- sweat gland
- coiled gland that secretes perspiration to the surface of the skin
- may be eccrine or apocrine
Eccrine Gland
- most numerous type of sweat gland
- secrete through pores
Apocrine Gland
- sweat gland that opens onto hair follicles
- produce yellowy sweat that contains proteins &fatty acids
- respond to stress
Trich/o
Combining form for hair
Follicle
sac that holds root of hair in place

shape determines hair texture
Arrector pili
muscle fibers attached to hair follicles
-make hair "stand on end"
Melanocytes
cells that produce the pigment melanin
Nail body
translucent nail part that is closely molded to underlying tissues
Nail bed
joins nail body to finger

very vascularized
Nail Root
- fastens nail to finger
Nail Free Edge
portion of the nail body not attached to the nail bed
Lunula
-part of the nail body that covers the matrix (active area where new cells grow)
-half-moon shaped white area
Cuticle
Narrow band of epidermis attached to the surface of the nail just above the root
Onych/o
Combining form for nail
Ungu/o
Combining form for nail
Dermatologist
physician who specializes in diagnosing and treating disorders of the skin
Acne Vulgaris
-chronic inflammation of the skin characterized by pustular eruptions
-caused by an overproduction of sebum
Comedo
lesion formed by the buildup of sebum and keratin in a hair follicle
Seborrhea
any condition caused by an overproduction of sebum
Seborrheic Dermatitis
-inflammation due to overproduction of sebum that causes scaling and itching of upper skin layers
- Dandruff, cradle cap
Seborrheic Keratosis
-benign growth of the epidermis
-has waxy "pasted-on" look
-often occurs in elderly
Anhidrosis
abnormal absence of sweating
Hyperhidrosis
condition of excessive sweating
Diaphoresis
Profuse sweating due to a specific cause such as menopause, shock, extreme emotion, eating spicy food, etc
Miliaria
-AKA heat rash, prickly heat
-itchy rash caused by blockage of the sweat glands
Folliculitis
-inflammation of the hair follicles
Hirsutism
-in females
-presence of excessive hair in a male pattern
-hereditary or caused by hormone imbalance
Alopecia
-baldness
-partial or complete loss of hair
-many types
Hypertrichosis
-excessive hair growth in men or women
Clubbing
-abnormal curvature of the nails
-hereditary or due to oxygen deficiencies
Koilonychia
-spooning of the nail
-can be an indication of iron-deficiency anemia
Onychocryptosis
ingrown nail
Onychomycosis
fungal infection of a nail
Onychophagia
Nail biting
Albinism
-inherited deficiency or absence of pigment in the skin, hair, and/or eyes
-due to missing enzyme necessary for melanin
Melanosis
any condition of unusual deposits of black pigment in the skin
Vitiligo
-loss of melanin resulting in white areas of the skin
-autoimmune disorder
Contusion
-Bruise
-caused by hemorrhaging under the skin
-skin does not break
Petechiae
-pinpoint hemorrhages
-less than 2mm in diameter
-sometimes result from severe fever
Purpura
condition that causes spontaneous bruises that are 2mm to 10 mm in diameter
Ecchymosis
irregular area of purplish discolouration that is more than 10 mm in diameter
Crust
-scab
-collection of dried serum and cellular debris
Macule
Discoloured, flat spot that is less than 1 cm in diameter
- eg Freckles, flat moles
Papule
-Small, raised, red lesion that is less than 0.5cm in diameter
-does not contain pus
Nodule
solid raised lesion that is larger than 0.5 cm and deeper than a papule
Plaque
Scaly, raised area of closely spaced papules
Scales
Flakes or dry patches of excess dead epidermal cells
Verruca
-wart
-small, hard lesion caused by the Human Papilloma Virus
Wheal
-small raised bump or ridge that itches
-often due to allergy
-eg hives
Abscess
closed pocket containing pus
Cyst
closed sac just under the skin containing soft or semisolid material
Pustule
-Small, circumscribed lesion containing pus
-eg impetigo, smallpox
Vesicle
small blister less than 0.5 cm in diameter containing watery fluid
Bulla
large blister more than 0.5 cm in diameter containing watery fluid
Abrasion
Superficial layers of skin are scraped or rubbed away
Fissure
Groove or crack in the skin
Laceration
torn and jagged wound or accidental cut
Puncture
Deep hole made by a sharp object
Ulcer
Open lesion of the skin resulting in tissue loss around the edges
Decubitous Ulcer
Pressure ulcer or bedsore
- caused by prolonged pressure on one area of skin
Dermatitis
Inflammation of the skin
Eczema
-very itchy form of dermatitis
-skin is red, blistered, or oozing
Contact Dermatitis
localized allergic response cause by contact with an irritant
Erythema
Redness of the skin due to dilated capillaries
Pyoderma
any acute, pus-forming, inflammatory bacterial skin condition
Ichthyosis
group of hereditary disorders characterized by dry, thickened and scaly skin
Lipedema
chronic swelling due to accumulation of fat and fluid under the skin
Psoriasis
skin disorder characterized by the occurence of red papules covered by silvery scales
Rosacea
-chronic, idiopathic condition
-produces redness, tiny pimples, and broken blood vessels
Scleroderma
-autoimmune disorder
-connective tissues become thickened or hardened
Urticaria
-condition of having wheals (hives) due to an allergic reaction
Xeroderma
Dry skin
Furuncles
-Boils
-large, tender, swollen areas caused by infection around hair follicles or sebaceous glands
Cellulitis
-rapidly spreading infection within the connective tissue
-malaise, swelling, warmth, and red streaks
Impetigo
-highly contagious infection characterized by isolated pustules that become crusted and rupture
Necrotizing Fasciitis
-infection with flesh-eating bacteria
Tinea
-ringworm
-fungus that spreads out in a circle leaving normal-looking skin in the middle
Scabies
-caused by infestation with the itch mite
-produces brown lines and an itchy rash
Pediculosis
infestation with lice
Callus
thickening of the skin caused by repeated rubbing
Cicatrix
-scar resulting from the healing of a wound
Keloid
abnormally raised or thickened scar that expands past the coundaries of the original incision
Nevi
-moles
-small, dark skin growths that develop from melanocytes
Basal Cell Carcinoma
-slow growing, rarely spreads
-lesions are pink, raised, smooth, have a depression in the middle and bleed
Squamous Cell Carcinoma
-quickly spreading
-appears as sores that will not heal or have a crusted, heaped-up look
Malignant Melanoma
-quickly spreading cancer that begins in the melanocytes
Biopsy
removal of a small piece of tissue for examination to confirm or establish a diagnosis
Cauterization
destruction of tissue by burning
Curettage
Removal of tissue by scraping
Debridement
removal of dirt and foreign particles from a wound to promote healing`