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Medical Terminology

Medical Terminology. Integumentary System Chapter 6. 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.

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Medical Terminology

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  1. Medical Terminology Integumentary System Chapter 6

  2. 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.

  3. 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.

  4. 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

  5. Epidermis • outermost layer • epithelium • strata or layers • keratin (a fibrous protein) • no blood vessels or nerve supply in epidermis

  6. Dermis or Corium Living Tissue capillaries lymphatics nerve endings hair follicles glands (sebaceous and sweat)

  7. Subcutaneous or Hypodermis • connective tissue layer • specializes in formation of fat • adipose or fat cells provide a food reserve and insulation

  8. Appendages of the Skin • Hair • Glands • Nails • Breasts

  9. Hair • hair shaft • hair follicles • papilla • alopecia

  10. Glands of the Skin • sudoriferous • sweat glands • cool the body • sebaceous • sebum(oil) • ceruminous glands • modified sweat glands located in ear canals • cerumen

  11. Nails • cuticle • lunula

  12. 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

  13. Suffixes • -cyte • -derma • -gram • -graph • -graphy • -logist • -logy • -therapy

  14. Prefixes • Epi- • hyper- • hypo- • sub-

  15. Pathology • Primary Skin Lesions • often due to healing process • Secondary Skin Lesions • result of the primary skin lesions • excoriation • abrasion • contusion • laceration • ulcers • cicatrix • keloid

  16. Primary Lesions • macule • papule • nodule • vesicle • bulla • pustule • wheal • scales • fissure

  17. Outer Layer of Epidermis erythema hyperesthesia Example: Sunburn Burns-First DegreeSuperficial

  18. Burns-Second DegreePartial Thickness • damages portion of epidermis and dermis • vesicles or bullae • regeneration can occur if no infection

  19. Burns-Third DegreeFull-Thickness • involves epidermis and dermis • can extend into subcutaneous tissue, bone and muscle • cannot heal spontaneously • dermatoplasty

  20. Frostbite • Local skin destruction • Result of freezing • Classified according to severity • first, second, third

  21. Oncology • Neoplasm • malignant or benign • metastsize • TNM system • T-size and extent of primary tumor • N-number of lymph nodes involved • M-metastases of primary tumor

  22. Carcinoma • Basal Cell Carcinoma • Carcinoma of the Breast • nulliparous, menarche • Squamous Cell Carcinoma • in situ, invasive • Malignant Melanoma • melanocytes

  23. Diagnostic, Symptomatic, Therapeutic Terms • Chloasma • comedo • decubitus ulcer • dermatomycosis • desqumation • ecchymosis • eczema

  24. Diagnostic, Symptomatic, Therapeutic Terms • Erythema • eschar • hirsutism • impetigo • keratosis • lentigo • pallor • pediculosis

  25. Diagnostic, Symptomatic, Therapeutic Terms • Pemphigus • petechia, petechiae • pruritus • psoriasis • purpura • scabies • tinea • urticaria • vitiligo • verruca

  26. Diagnostic Procedures • Mammography, mammogram • xeromammography

  27. Surgical and Therapeutic Procedures • Allograft, skin graft, xenograft • biopsy • debridement • dermabrasion • fulguration • lumpectomy • mammoplasty, mastectomy

  28. Pharmacology • Anti-infectives, antibacterials, antifungals • anti-inflammatory, topical corticosteriods • antipruritics • antiseptics • keratolytics • parasiticides • protectives • topical anesthetics

  29. Abbreviations • Bx • decub. • Derm. • FS • I & D • ID • SC, sc, subcu, subq • ung

  30. End of Chapter 6

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