integumentary system l.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Integumentary System PowerPoint Presentation
Download Presentation
Integumentary System

Loading in 2 Seconds...

play fullscreen
1 / 62

Integumentary System - PowerPoint PPT Presentation


  • 258 Views
  • Uploaded on

Integumentary System. CHAPTER 5. Integumentary System. Skin Integument or cutaneous membrane Epidermis Dermis Subcutaneous layer Accessory structures Hair Nails Glands. Layers and Structures of the Skin. Skin Lesions. Abrasion

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Integumentary System' - lotus


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
integumentary system2
Integumentary System
  • Skin
    • Integument or cutaneous membrane
    • Epidermis
    • Dermis
    • Subcutaneous layer
  • Accessory structures
    • Hair
    • Nails
    • Glands
skin lesions
Skin Lesions
  • Abrasion
    • Scraping or rubbing away of skin or mucous membrane as a result of friction to the area
      • Example: carpet burn
  • Abscess
    • Localized collection of pus in any body part that results from invasion of pus-forming bacteria
      • Example: pustule = small abscess
skin lesions5
Skin Lesions
  • Bedsore
    • Ulcer in skin over a bony prominence
    • Also known as pressure ulcer
      • Example: decubitus ulcer
  • Blister
    • Small, thin-walled lesion containing clear fluid
    • Also known as a vesicle
skin lesions6
Skin Lesions
  • Bulla
    • Large blister
  • Carbuncle
    • Circumscribed inflammation of skin and deeper tissues; contains pus
  • Comedo
    • Typical lesion of acne vulgaris
      • Example: whitehead = closed comedo
      • Example: blackhead = open comedo
skin lesions7
Skin Lesions
  • Cyst
    • Closed sac or pouch in or within the skin; contains fluid, semifluid, or solid material
      • Example: hydrocele = fluid-filled cyst
      • Example: sebaceous cyst = solid-filled cyst
skin lesions8
Skin Lesions
  • Fissure
    • Cracklike sore or groove in the skin or mucous membrane
      • Example: anal fissure
  • Fistula
    • Abnormal passageway between two tubular organs; or from an organ to the body surface
      • Example: recto-vaginal fistula
skin lesions9
Skin Lesions
  • Hives
    • Circumscribed, slightly elevated lesions on skin; paler in center than surrounding edges
    • Also called wheals
      • Example: mosquito bite
  • Laceration
    • Tear in skin; torn, jagged wound
skin lesions10
Skin Lesions
  • Macule
    • Small flat, discoloration of the skin; neither raised nor depressed
      • Example: bruises, freckles
  • Nodule
    • Small, circumscribed swelling protruding above the skin
skin lesions11
Skin Lesions
  • Papule
    • Small, solid, circumscribed elevation on the skin
    • Example: pimple, wart, elevated mole
  • Polyp
    • Small, stalklike growth, protruding upward or outward from membrane surface
    • Example: nasal polyp
skin lesions12
Skin Lesions
  • Pustule
    • Small elevation of skin filled with pus
      • Example: small abscess on the skin
  • Scales
    • Thin flakes of hardened epithelium that are shed from the epidermis
  • Ulcer
    • Circumscribed, open sore or lesion of skin, accompanied by inflammation
      • Example: decubitus ulcer
skin lesions13
Skin Lesions
  • Vesicle
    • Small, thin-walled, lesion containing clear fluid
      • Example: blister
  • Wheal
    • Circumscribed, slightly elevated lesion of the skin
    • Paler in center than surrounding edges
      • Example: hives
pathological conditions

PATHOLOGICAL CONDITIONS

Integumentary System

acne vulgaris
Acne Vulgaris
  • Pronounced
    • (ACK-nee-vul-GAY-ris)
  • Defined
    • Common inflammatory disorder seen on face, chest, back, and neck
    • Appears as papules, pustules, and comedos
albinism
Albinism
  • Pronounced
    • (AL-bin-izm)
  • Defined
    • Condition characterized by absence of pigment in the skin, hair, and eyes
burns
Burns
  • Defined
    • Tissue injury produced by flame, heat, chemicals, radiation, electricity, or gases
    • Extent of damage determined by:
      • Mode and duration of exposure
      • Thermal intensity or temperature
      • Anatomic site of the burn
burns18
Burns
  • First-degree or superficial burns
    • Example: sunburn
  • Second-degree or partial-thickness burns
    • Example: flash contact with hot objects
  • Third-degree or full-thickness burns
    • Example: deep burns from a fire
callus
Callus
  • Pronounced
    • (CAL-us)
  • Defined
    • Common, usually painless thickening of the epidermis at sites of external pressure or friction, such as weight-bearing areas of the feet and on the palmar surface of the hands
      • Also known as a callosity
carcinoma basal cell
Carcinoma, Basal Cell
  • Pronounced
    • (car-sih-NOH-mah BAY-sal sell)
  • Defined
    • Most common malignant tumor of epithelial tissue, occurring most often on areas of skin that are exposed to the sun
      • Presents as a slightly elevated nodule with a depression or ulceration in the center that becomes more obvious as the tumor grows
carcinoma squamous cell
Carcinoma, Squamous Cell
  • Pronounced
    • (car-sih-NOH-mah SKWAY-mus sell )
  • Defined
    • Malignancy of the squamous, or scalelike, cells of the epithelial tissue
    • Much faster growing than basal cell carcinoma
    • Greater potential for metastasis if not treated
carcinoma squamous cell22
Carcinoma, Squamous Cell
  • Frequent sites on sun-exposed areas
    • Top of nose
    • Forehead
    • Margin of external ear
    • Back of hands
    • Lower lip
dermatitis
Dermatitis
  • Pronounced
    • (der-mah-TYE-tis)
  • Defined
    • Inflammation of skin, seen in several different forms
    • Acute or chronic
    • Contact or seborrheic
eczema
Eczema
  • Pronounced
    • (EK-zeh-mah)
  • Defined
    • Acute or chronic inflammatory skin condition characterized by erythema, papules, vesicles, pustules, scales, crusts, scabs, and itching
exanthematous viral diseases
Exanthematous Viral Diseases
  • Pronounced
    • (eks-an-THEM-ah-tus viral diseases)
  • Defined
    • Skin eruption or rash accompanied by inflammation, having specific diagnostic features of an infectious viral disease
exanthematous viral diseases26
Exanthematous Viral Diseases
  • Examples:
    • Rubella= German Measles= 3 day measles
    • Roseola Infantum
    • Rubeola= Red Measles= 7-10 day measles
    • Erythema Infectiosum= Fifth disease
gangrene
Gangrene
  • Pronounced
    • (GANG-green)
  • Defined
    • Tissue death due to loss of adequate blood supply, invasion of bacteria, subsequent decay with foul odor
herpes zoster
Herpes Zoster
  • Pronounced
    • (HER-peez ZOS-ter)
  • Defined
    • Acute viral infection, characterized by painful, vesicular eruptions on the skin that follow along nerve pathways of underlying spinal or cranial nerves
    • Highest incidence in adults over 50
herpes zoster29
Herpes Zoster

Image courtesy of Robert A. Silverman,

M.D., Pediatric Dermatology,

Georgetown University

impetigo
Impetigo
  • Pronounced
    • (Im-peh-TYE-goh)
  • Defined
    • Contagious superficial skin infection characterized by serous vesicles and pustules filled with millions of staphylococcus or streptococcus bacteria
      • Usually forming on the face
kaposi s sarcoma
Kaposi’s Sarcoma
  • Pronounced
    • (CAP-oh-seez sar-KOH-ma)
  • Defined
    • Rare malignant lesions beginning as soft purple-brown nodules or plaques on the feet
    • Gradually spreads throughout skin
    • Increased incidence in men with AIDS
keloid
Keloid
  • Pronounced
    • (KEE-loyd)
  • Defined
    • Enlarged, irregularly shaped, elevated scar that forms due to the presence of large amounts of collagen during formation of a scar
keratosis
Keratosis
  • Pronounced
    • (kair-ah-TOH-sis)
  • Defined
    • Skin condition in which there is a thickening and overgrowth of the cornified epithelium
seborrheic keratosis
Seborrheic Keratosis
  • Pronounced
    • (seb-oh-REE-ik kair-ah-TOH-sis)
  • Defined
    • Brown or waxy yellow wart-like lesions that are loosely attached to the skin
    • Also known as senile warts
actinic keratosis
Actinic Keratosis
  • Pronounced
    • (ak-TIN-ic kair-ah-TOH-sis)
  • Defined
    • Premalignant, gray or red-to-brown, hardened lesion caused by excessive exposure to sunlight
    • Also known as solar keratosis
leukoplakia
Leukoplakia
  • Pronounced
    • (loo-koh-PLAY-kee-ah)
  • Defined
    • White, hard, thickened patches firmly attached to the mucous membrane
      • In mouth, vulva, or penis
malignant melanoma
Malignant Melanoma
  • Pronounced
    • (mah-LIG-nant mel-ah-NOH-mah)
  • Defined
    • Malignant skin tumor originating from melanocytes in preexisting nevi, freckles, or skin with pigment
    • Darkly pigmented tumor with irregular surfaces and borders; variable colors
abcds of malignant melanomas
ABCDs of Malignant Melanomas
  • Asymmetry
  • Borders
  • Color
  • Diameter
nevus
Nevus
  • Pronounced
    • (NEV-us)
  • Defined
    • Visual accumulation of melanocytes, creating a flat or raised rounded macule or papule with definite borders
    • Commonly known as a mole
onychocryptosis
Onychocryptosis
  • Pronounced
    • (on-ih-koh-krip-TOH-sis)
  • Defined
    • Ingrown nail
      • Most commonly involves the large toe
onychomycosis
Onychomycosis
  • Pronounced
    • (on-ih-koh-my-KOH-sis)
  • Defined
    • Fungal infection of the nails
pediculosis
Pediculosis
  • Pronounced
    • (pee-dik-you-LOH-sis)
  • Defined
    • Highly contagious parasitic infestation caused by blood-sucking lice
pediculosis43
Pediculosis
  • Pediculosis capitis
    • Head
  • Pediculosis corporis
    • Body
  • Pediculosis palpebrarum
    • Eyelashes and eyelids
  • Pediculosis pubis
    • Pubic hair
pemphigus
Pemphigus
  • Pronounced
    • (PEM-fih-gus)
  • Defined
    • Rare, incurable disorder manifested by blisters in the mouth and on the skin
    • Spreads to involve large areas of the body
pilonidal cyst
Pilonidal Cyst
  • Pronounced
    • (pye-loh-NYE-dal SIST)
  • Defined
    • Closed sac located in the sacrococcygeal area of the back
    • Sometimes noted at birth as a dimple
psoriasis
Psoriasis
  • Pronounced
    • (soh-RYE-ah-sis)
  • Defined
    • Common, noninfectious, chronic skin disorder manifested by silvery-white scales over round, raised, reddened plaques producing itching
    • Pruritus
rosacea
Rosacea
  • Pronounced
    • (roh-ZAY-she-ah)
  • Defined
    • Chronic inflammatory skin disease that mainly affects the skin of the middle third of the face
      • Characterized by persistent redness over the areas of the face, nose, and cheeks
scabies
Scabies
  • Pronounced
    • (SKAY-beez)
  • Defined
    • Highly contagious parasitic infestation caused by the “human itch mite”
    • Resulting in a rash, pruritus, and a feeling in the skin of “something crawling”
scleroderma
Scleroderma
  • Pronounced
    • (sklair-ah-DER-mah)
  • Defined
    • Gradual thickening of the dermis and swelling of the hands and feet to a state in which the skin is anchored to the underlying tissue
systemic lupus erythematosus
Systemic Lupus Erythematosus
  • Pronounced
    • (sis-TEM-ic LOO-pus air-ih-them-ah-TOH-sis)
  • Defined
    • Chronic, multi-system, inflammatory disease characterized by lesions of the nervous system and skin, renal problems, and vasculitis
    • Characteristic “Butterfly rash” is often seen on nose and face
tinea
Tinea
  • Pronounced
    • (TIN-ee-ah)
  • Defined
    • Chronic fungal infection of the skin
    • Characterized by scaling, itching, and sometimes painful lesions
tinea52
Tinea
  • Tinea capitis
    • Scalp
  • Tinea corporis
    • Body
  • Tinea cruris
    • Groin
  • Tinea pedis
    • Foot
verruca
Verruca
  • Pronounced
    • (ver-ROO-kah)
  • Defined
    • Benign, circumscribed, elevated skin lesion that results from hypertrophy of the epidermis
    • Commonly known as a wart
verruca54
Verruca
  • Verruca vulgaris
    • Common wart on face, elbow, fingers, or hands
  • Plantar warts
    • Singly or in clusters on the sole of the foot
  • Venereal warts
    • Transmitted by sexual contact
  • Seborrheic warts
    • Seen in the elderly on the face, neck, chest, or upper back
diagnostic techniques treatments and procedures56
Diagnostic Techniques, Treatments, and Procedures
  • Allergy testing
    • Various procedures used to identify specific allergens in an individual by exposing the person to a very small quantity of the allergen
  • Cautery
    • Heat or caustic substances that burn and scar the skin
diagnostic techniques treatments and procedures57
Diagnostic Techniques, Treatments, and Procedures
  • Cryosurgery
    • Noninvasive treatment that uses subfreezing temperature to freeze and destroy tissue
  • Curettage and electrodesiccation
    • Scraping away of abnormal tissue, followed by destroying the tumor base with a low-voltage electrode
diagnostic techniques treatments and procedures58
Diagnostic Techniques, Treatments, and Procedures
  • Debridement
    • Removal of debris, foreign objects, and damaged or necrotic tissue from a wound in order to prevent infection and promote healing
  • Dermabrasion
    • Removal of the epidermis and a portion of the dermis with sandpaper or brushes in order to eliminate superficial scars of unwanted tattoos
diagnostic techniques treatments and procedures59
Diagnostic Techniques, Treatments, and Procedures
  • Dermatoplasty
    • Skin transplantation to a body surface damaged by injury or disease
  • Electrodesiccation
    • Technique using an electrical spark to burn and destroy tissue
    • Also known as fulguration
diagnostic techniques treatments and procedures60
Diagnostic Techniques, Treatments, and Procedures
  • Electrosurgery
    • Removal or destruction of tissue with an electrical current
  • Escharotomy
    • Incision made into the necrotic tissue resulting from a severe burn
diagnostic techniques treatments and procedures61
Diagnostic Techniques, Treatments, and Procedures
  • Liposuction
    • Aspiration of fat through a suction cannula or curette to alter the body contours
  • Skin biopsy
    • Removal of a small piece of tissue from skin lesions for examination under a microscope to confirm or establish a diagnosis
diagnostic techniques treatments and procedures62
Diagnostic Techniques, Treatments, and Procedures
  • Skin graft
    • Process of placing tissue on a recipient site, taken from a donor site, in order to provide the protective mechanisms of skin to an area unable to regenerate skin
  • Wood’s lamp
    • Ultraviolet light that is used to examine the scalp and skin for the purpose of observing fungal spores