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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

Medical Terminology

Integumentary System

Chapter 6


Student objectives
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.


Student objectives1
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.


Functions of the integumentary system
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


Epidermis
Epidermis

  • outermost layer

  • epithelium

    • strata or layers

    • keratin (a fibrous protein)

  • no blood vessels or nerve supply in epidermis


Dermis or corium
Dermis or Corium

Living Tissue

capillaries

lymphatics

nerve endings

hair follicles

glands (sebaceous and sweat)


Subcutaneous or hypodermis
Subcutaneous or Hypodermis

  • connective tissue layer

  • specializes in formation of fat

  • adipose or fat cells provide a food reserve and insulation


Appendages of the skin
Appendages of the Skin

  • Hair

  • Glands

  • Nails

  • Breasts


Hair

  • hair shaft

  • hair follicles

  • papilla

  • alopecia


Glands of the skin
Glands of the Skin

  • sudoriferous

    • sweat glands

    • cool the body

  • sebaceous

    • sebum(oil)

  • ceruminous glands

    • modified sweat glands located in ear canals

    • cerumen


Nails
Nails

  • cuticle

  • lunula


Breasts or mammary glands
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


Suffixes
Suffixes

  • -cyte

  • -derma

  • -gram

  • -graph

  • -graphy

  • -logist

  • -logy

  • -therapy


Prefixes
Prefixes

  • Epi-

  • hyper-

  • hypo-

  • sub-


Pathology
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


Primary lesions
Primary Lesions

  • macule

  • papule

  • nodule

  • vesicle

  • bulla

  • pustule

  • wheal

  • scales

  • fissure


Burns first degree superficial

Outer Layer of Epidermis

erythema

hyperesthesia

Example: Sunburn

Burns-First DegreeSuperficial


Burns second degree partial thickness
Burns-Second DegreePartial Thickness

  • damages portion of epidermis and dermis

  • vesicles or bullae

  • regeneration can occur if no infection


Burns third degree full thickness
Burns-Third DegreeFull-Thickness

  • involves epidermis and dermis

  • can extend into subcutaneous tissue, bone and muscle

  • cannot heal spontaneously

  • dermatoplasty


Frostbite
Frostbite

  • Local skin destruction

  • Result of freezing

  • Classified according to severity

    • first, second, third


Oncology
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


Carcinoma
Carcinoma

  • Basal Cell Carcinoma

  • Carcinoma of the Breast

    • nulliparous, menarche

  • Squamous Cell Carcinoma

    • in situ, invasive

  • Malignant Melanoma

    • melanocytes


Diagnostic symptomatic therapeutic terms
Diagnostic, Symptomatic, Therapeutic Terms

  • Chloasma

  • comedo

  • decubitus ulcer

  • dermatomycosis

  • desqumation

  • ecchymosis

  • eczema


Diagnostic symptomatic therapeutic terms1
Diagnostic, Symptomatic, Therapeutic Terms

  • Erythema

  • eschar

  • hirsutism

  • impetigo

  • keratosis

  • lentigo

  • pallor

  • pediculosis


Diagnostic symptomatic therapeutic terms2
Diagnostic, Symptomatic, Therapeutic Terms

  • Pemphigus

  • petechia, petechiae

  • pruritus

  • psoriasis

  • purpura

  • scabies

  • tinea

  • urticaria

  • vitiligo

  • verruca


Diagnostic procedures
Diagnostic Procedures

  • Mammography, mammogram

  • xeromammography


Surgical and therapeutic procedures
Surgical and Therapeutic Procedures

  • Allograft, skin graft, xenograft

  • biopsy

  • debridement

  • dermabrasion

  • fulguration

  • lumpectomy

  • mammoplasty, mastectomy


Pharmacology
Pharmacology

  • Anti-infectives, antibacterials, antifungals

  • anti-inflammatory, topical corticosteriods

  • antipruritics

  • antiseptics

  • keratolytics

  • parasiticides

  • protectives

  • topical anesthetics


Abbreviations
Abbreviations

  • Bx

  • decub.

  • Derm.

  • FS

  • I & D

  • ID

  • SC, sc, subcu, subq

  • ung



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