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Integumentary System Chapter 6
Medical Terminology Integumentary System Chapter 6
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Student Objectives Define the main functions of the integumentary system and its appendages. Identify combining forms, suffixes, and prefixes related to the integumentary system. Identify several primary and secondary skin lesions. Explain major skin problems caused by exposure.
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Student Objectives Identify diagnostic, symptomatic, and therapeutic terms and procedures related to the integumentary system. Define the abbreviations related to the integumentary system. Explain pharmacology related to the treatment of integumentary disorders.
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Functions of the Integumentary System
skin protects against bacterial invasion reservoir for food and water sensory receptor synthesis of vitamin D regulate body temperature and water prevents dehydration
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Epidermis outermost layer epithelium
strata or layers keratin (a fibrous protein) no blood vessels or nerve supply in epidermis
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Dermis or Corium Living Tissue capillaries lymphatics nerve endings
hair follicles glands (sebaceous and sweat)
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Subcutaneous or Hypodermis
connective tissue layer specializes in formation of fat adipose or fat cells provide a food reserve and insulation
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Appendages of the Skin Hair Glands Nails Breasts
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Hair hair shaft hair follicles papilla alopecia
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Glands of the Skin sudoriferous sebaceous ceruminous glands
sweat glands cool the body sebaceous sebum(oil) ceruminous glands modified sweat glands located in ear canals cerumen
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Nails cuticle lunula
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Breasts or Mammary Glands
Present in both males and females estrogen stimulation causes adipose tissue and increased size progesterone stimulation causes formation of lobules for milk production
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Suffixes -cyte -derma -gram -graph -graphy -logist -logy -therapy
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Prefixes Epi- hyper- hypo- sub-
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Pathology Primary Skin Lesions Secondary Skin Lesions
often due to healing process Secondary Skin Lesions result of the primary skin lesions excoriation abrasion contusion laceration ulcers cicatrix keloid
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Primary Lesions macule papule nodule vesicle bulla pustule wheal
scales fissure
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Burns-First Degree Superficial
Outer Layer of Epidermis erythema hyperesthesia Example: Sunburn
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Burns-Second Degree Partial Thickness
damages portion of epidermis and dermis vesicles or bullae regeneration can occur if no infection
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Burns-Third Degree Full-Thickness
involves epidermis and dermis can extend into subcutaneous tissue, bone and muscle cannot heal spontaneously dermatoplasty
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Frostbite Local skin destruction Result of freezing
Classified according to severity first, second, third
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Oncology Neoplasm TNM system malignant or benign metastsize
T-size and extent of primary tumor N-number of lymph nodes involved M-metastases of primary tumor
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Carcinoma Basal Cell Carcinoma Carcinoma of the Breast
nulliparous, menarche Squamous Cell Carcinoma in situ, invasive Malignant Melanoma melanocytes
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Diagnostic, Symptomatic, Therapeutic Terms
Chloasma comedo decubitus ulcer dermatomycosis desqumation ecchymosis eczema
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Diagnostic, Symptomatic, Therapeutic Terms
Erythema eschar hirsutism impetigo keratosis lentigo pallor pediculosis
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Diagnostic, Symptomatic, Therapeutic Terms
Pemphigus petechia, petechiae pruritus psoriasis purpura scabies tinea urticaria vitiligo verruca
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Diagnostic Procedures
Mammography, mammogram xeromammography
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Surgical and Therapeutic Procedures
Allograft, skin graft, xenograft biopsy debridement dermabrasion fulguration lumpectomy mammoplasty, mastectomy
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Pharmacology Anti-infectives, antibacterials, antifungals
anti-inflammatory, topical corticosteriods antipruritics antiseptics keratolytics parasiticides protectives topical anesthetics
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Abbreviations Bx decub. Derm. FS I & D ID SC, sc, subcu, subq ung
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End of Chapter 6
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