Integumentary System
Chapter four
Medical Terminology
Hit # 141
Anatomy of the Skin
• Epidermis = outer layer of skin.
– Melanin = color or pigmentation of the skin.
• Dermis = inner layer of skin.
– Sweat glands = tiny, coiled, tubular structures the
emerge through pores on the skin surface.
– Sebaceous gland = secrete sebum (oil) into the hair
follicles where the hair shafts pass through the
dermis.
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Combining forms
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Cutane/o derm/o dermat/o = skin
Hidr/o = sweat
Kerat/o = horny tissue, hard
Onych/o Ungu/o = nail
Seb/o = sebum (oil)
Trich/o = hair
Aden/o = gland
Aut/o = self
Bi/o = life
Combining forms
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Coni/o = dust
Crypt/o = hidden
Heter/o = other
Myc/o = fungus
Necr/o = death
Pachy/o = thick
Rhytid/o = wrinkles
Staphyl/o = grape like clusters
Strept/o = twisted chains
Xer/o = dry
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Prefixes
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Epi- = on, upon, over
Intra- = within
Para- = beside,beyond, around
Per- = through
Sub- = under, below
Suffixes
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-coccus = berry shaped bacteria
-ectomy = excision or surgical removal
-ia = diseased or abnormal state, condition of
-itis = inflammation
-malacia = softening
-opsy = view of or viewing
-orrhea = flow, excessive discharge
-phagia = eating, or swallowing
-plasty = surgical repair
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Disease & Disorder
• Dermatitis = inflammation of the skin.
• Dermatoconiosis = abnormal condition of skin,
caused by dust.
• Dermatofibroma = fibrous tumor of skin.
• Leiodermia = smooth skin.
• Onychocryptosis = abnormal condition of a
hidden nail (ingrown nail).
• Onychomalacia = softening of the nail.
• Onychophagia = eating the nails or biting
Disease & Disorder Terms
• Abrasion = scraping away of the skin.
• Abscess = localized collection of pus.
• Acne = inflammatory disease, sebaceous gland
& hair follicle involvement.
• Candidiasis = infection of skin, caused by the
yeast-like fungus.
• Carbuncle = skin infection, cluster of boils,
causes by staphylococcal bacteria (grape-like).
• Cellulitis = inflammation of connective tissue,
caused by infection, redness, swelling, fever
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Disease & Disorder Terms
• Eczema = noninfectious, redness, blisters, scabs
and itching
• Fissure = slit or crack-like sore in the skin
• Gangrene = death of tissue.
• Herpes = virus, fever blisters, shingles.
• Impetigo = superficial skin infection, pustules.
• Kaposi’s sarcoma = cancerous, starting on skin,
lymph nodes, and internal organs, associated
with AIDS patients.
Disease & Disorder Terms
• Laceration = torn, ragged-edged wound.
• Psoriasis = red lesions covered with silvery
scales
• Scabies = caused by the itch mite.
• Scleroderma = chronic hardening of connective
tissue of skin and body organs.
• Tinea = fungus infection “ringworm.”
• Urticaria = itching skin eruption
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Surgical Terms
• Biopsy = removal of tissue and viewed
under a microscope.
• Dermatoautoplasty = repair using one’s
own skin.
• Dermatoplasty = surgical repair of the skin
• Onychectomy = excision of a nail.
• Rhytidoplasty = surgical repair of
wrinkles
Abbreviations
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Bx = biopsy
BCC = basal cell carcinoma
CMV = cytomegalovirus
sc = subcutaneous
SLE = systemic lupus erythematosis
Staph = staphylococcus
Strep = streptococcus
SqCCa = squamous cell carcinoma
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Complementary Terms #1
• Dermatologist = physician who specializes in
skin.
• Dermatology = study of skin.
• Dermatome = instrument used to cut skin.
• Epidermal = pertaining to upon the skin.
• Hypodermic = pertaining to under the skin.
• Intradermal = pertaining to within the skin.
• Leukoderma = white skin (more then normal).
• Necrosis = death of skin
Complementary Terms #2
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Percutaneous = through the skin.
Staphylococcus = bacteria, grape-like.
Streptococcus = bacteria in twisted chains.
Subcutaneous = under the skin.
Xanthoderma = yellow skin, jaundice.
Adipose = fat.
Albino = white.
Allergy = hypersensitivity to a substance.
Alopecia = baldness.
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Complementary Terms #3
• Cicatrix = scar.
• Debridement = removal dead tissue or foreign
matter from an open wound.
• Decubitus ulcer = bedsore, open area of skin.
• Dermabrasion = procedure to remove skin scars
with abrasive material (like sandpaper).
• Diaphoresis = profuse sweating.
• Edema = swelling due to accumulation of fluid.
• Emollient = agent to soften or smooth skin.
Complementary Terms #4
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Induration = abnormal hard spot.
Jaundice = yellow looking skin.
Keloid = overgrowth of scar tissue.
Macule = flat, colored spot on the skin.
Nevus = pigmented area on skin, birthmark.
Papule = small solid skin elevation, pimple.
Pruritus = severe itching.
Pustule = elevation, containing pus.
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Complementary Terms #5
• Ulcer = eroded sore on the skin.
• Verruca = cutaneous elevation, cause by a
virus, wart.
• Vesicle = small elevation containing liquid,
blister.
• Virus = infectious agent
• Wheal = round itchy elevation of the skin,
with a white center and red surrounding
areas, hive.
THE END OF CHAPTER FOUR
FINALLY
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