Medical Terminology: Ch. 4

Common Fungal Skin Infections

Candidiasis Tinea Trichomycosis

Common Bacterial Skin Infections

Carbuncle Cellulitis Furuncle Impetigo MRSA infection Paronychia

Skin

Combining forms for the skin: derm/o, dermat/o, cutane/o Top layer: Epi(meaning above) derm/o (skin) -is (structure) Middle layer: dermis (flexibility and mechanical strength) Bottom layer: Hypo- (under or beneath), derm/o (skin) -is (structure). Another name is subcutaneous (sub (below), cutane/o (skin), -ous (pertaining to)) Tissue is filled with adip/o or fat. Skin receptors in the dermis allow one to pick up a coin or other items and identify them without looking.

Pronounce Medical Terms in Use

Emily visited the dermatology clinic because of pruritus secondary to dermatitis involving her scalp and areas of her elbows and knees. A diagnosis of psoriasis was made. Eczema, scabies and tinea were considered in the differential diagnosis. An emollient cream was prescribed. In addition the patient showed the dermatologist the tender, discolored, thickened nail of her right great toe. Emily learned she had onychomycosis, for which she was given an additional prescription for an oral antifungal drug.

Suffixes

Examples: -ectomy -itis -osis -plasty -rrhea

Disease and Disorder Terms NOT Built from Word Parts

Examples: Cellulitis Fissure Keloid Squamous Cell Carcinoma (SCC) Urticaria

Abbreviations

Examples: FTSG I&D SLE TD

Complementary Terms NOT Built from Word Parts

Examples: abscess diaphoresis macule papule vesicle

Combining Forms Used with Integumentary System Terms

Examples: aden/o rhytid/o scler/o strept/o xer/o

Disease and Disorder Terms Built from Word Parts

Examples: dermatitis (inflammation of the skin) keratosis onychomycosis paronychia (diseased state around the nail) xanthoma

Complementary Terms Built from Word Parts

Examples: erythroderma hypodermic percutaneous subungual xerosis

Prefixes

Examples: hyper- hypo- intra- per- sub-

Epidermis

Keratin (kerat/o) -the outermost layer or cells are filled with a hard protein material, keratin also means hard. Kerat/o refers to the cornea of the eye when used with ophthalmology terms melanin hair (trich/o) nails (onych/o, ungu/o) Sebaceous glands (seb/o) sudoriferous glands (hidr/o)

Integumentary System Functions

Protective covering against infection, water loss, damage from ultraviolet light Temperature regulation (shivering, sweating) Synthesis of vitamin D

Integumentary System Composition

The skin, hair and nails along with the sweat and sebaceous glands, are all parts of the integumentary system. The term "integument" means covering.

Dermis

blood vessels nerve endings hair follicles sebaceous (sebac/o) Sudoriferous glands (hidr/o)

Surgical Terms Built from Word Parts

dermatoplasty rhytidectomy (facelift)

Surgical terms NOT built from word parts

examples: cauterization cryosurgery excision mohs surgery skin graft

Common Viral Skin Infections

fever blister (herpes simplex) shingles (herpes zoster)

Common Parasitic Skin Infections

scabies pediculosis