integumentary system chapter 5. the integument and its relationship to microorganisms most skin...
TRANSCRIPT
![Page 1: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/1.jpg)
INTEGUMENTARY SYSTEMINTEGUMENTARY SYSTEM
Chapter 5
![Page 2: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/2.jpg)
THE INTEGUMENT AND ITS THE INTEGUMENT AND ITS RELATIONSHIP TORELATIONSHIP TOMICROORGANISMSMICROORGANISMS
• Most skin bacteria are associated with hair follicles or sweat glands where nutrients and moisture are present
• The best way to prevent disease is by washing the hands
![Page 3: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/3.jpg)
SKIN CANCERSKIN CANCER
• Basal cell carcinoma is the most common and least malignant skin cancer
• Squamous cell carcinoma occurs in the epidermis and grows rapidly
• Malignant melanoma is present in pigmented cells called melanocytes
![Page 4: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/4.jpg)
BURNSBURNS
• Burns are the result of radiation from sun, heat, boiling water, steam, fire, chemicals, and electricity
![Page 5: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/5.jpg)
BURNSBURNS
• Classification of burns– First degree burns
•epidermis
– Second degree burns•epidermis and dermis
– Third degree burns•destruction of epidermis, dermis, and
subcutaneous
![Page 6: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/6.jpg)
SKIN LESIONSSKIN LESIONS
• Pressure Ulcers (Decubitus) are the result of constant pressure against an area of tissue that lies over a bone
![Page 7: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/7.jpg)
SKIN LESIONSSKIN LESIONS
• 4 Stages of pressure ulcers are:– Stage I - skin is red but unbroken– Stage II - blisters; broken or
unbroken– Stage III - all layers of skin are
broken– Stage IV - ulcerated area involves
underlying muscles, tendons, and bones
![Page 8: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/8.jpg)
Lesion Char Size LocationBulla Fluid-
filled area
>10 mm Large blister
Macule Flat area, skin changes in color
< 1cm Freckle, petechia
Nodule Elevated solid area
> 10 mm
wart
![Page 9: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/9.jpg)
Lesion Char Size LocationPapule Elevated
solid area5 mm or <
Elevated mole (nevus)
Pustule
Discrete pus filled raised area
Varies Acne
Ulcer Deep loss of skin surface, may extend to dermis
Varies Venous stasis ulcer, decubitus
![Page 10: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/10.jpg)
Lesion Char Size LocationTumor Solid
abnormal mass of cells
> 1-2 cm
Benign, basal cell carcinoma
Vesicle small blister
Fluid-filled raised area
10 mm or <
Chickenpox, herpes simplex
Wheal Itchy, temp. elevated
Varies Hives, insect bites
![Page 11: INTEGUMENTARY SYSTEM Chapter 5. THE INTEGUMENT AND ITS RELATIONSHIP TO MICROORGANISMS Most skin bacteria are associated with hair follicles or sweat glands](https://reader036.vdocuments.us/reader036/viewer/2022082506/5697bfd21a28abf838cabe0d/html5/thumbnails/11.jpg)
REPRESENTATIVE REPRESENTATIVE DISORDERS OF THE SKINDISORDERS OF THE SKIN
• Acne vulgaris • Athlete’s foot• Dermatitis• Eczema• Impetigo• Psoriasis• Ringworm
• Urticaria (hives)
• Boils• Herpes• Genital herpes• Shingles
(herpes zoster)