1. Integumentary System Diaz, Deliz Harrington, Mikaela Maya, Danna
Soarez, Jenny
Urra, John-Paul

2. Parts of the System
Made up of skin, hair, and nails. Skin is the major organ of the system. It is made up of 3 layers:
Epidermis-
Outermost layer; 5 sub-layers, no blood vessels or nerves.
Dermis-
Elastic connective tissue, contains blood vessels, nerves, involuntary muscle, sweat glands, & hair follicles.
Subcutaneous fascia (hypodermis)-
Innermost layer; made up of elastic & fibrous connective tissue, fatty tissue, and it connects to underlying muscles.

3. Parts of the Nail

4. Parts of the Hair Follicle

5. Functions Protection-
Barrier to the suns ultraviolet rays, pathogens & germs. Holds in moisture.
Sensory Perception-
The nerves help body to respond to pain, pressure, temperature, and touch sensations.
Body temperature regulation-
Blood vessels help body retain or lose heat.
Storage-
Tissues are temporary storage for fats, glucose, water, vitamins, and salts.

6. Functions continued… Absorption-
Substances can be absorbed through the skin, called transdermal medication.
Excretion-
Skin eliminates salt, waste, & excess water
Production-
Skin helps in the production of Vitamin D using UV rays from the sun.

7. Pigmentation Skin color is determined by pigments in the epidermis.
Melanin, a pigment, is produced in the epidermis by melanocytes.
Every person has the same number of melanocytes, racial groups is what determines the amount of melanin produced.

8. Complications of Pigmentation
A person with an absence of pigments is an albino.
Erythema is the reddish color of the skin caused by burns or congestion of blood in the vessels.
Jaundice is a yellow discoloration of the skin. Indicates bile in the blood.

9. Skin Eruptions Macules- Papules- Vesicles- Pustules- Ulcer- flat spots
firm, raised areas
Vesicles-
blisters
Pustules-
pus-filled sacs
Ulcer-
deep loss of skin 2 1 3 4 5

10. Melanoma Malignant tumor caused by the changes of melanocytes.
Most likely to have melanoma if the person:
has fair skin
lives in a sunny climate or high altitude
uses tanning devices
Symptoms-
Asymmetry
Borders
Color
Diameter
Evolution

11. Treatment Surgery The cancer and 1 cm of surrounding skin is removed
Chemotherapy
Medicines kill cancer cells
Immunotherapy
Medications assist immune system
Radiation treatments
Relieves pain or discomfort

12. Dermatitis Inflammation of the skin
Results from direct contact with allergens or irritants
Common in babies and children; people who live in dry climates
Symptoms-
Itching
Pain
Stinging
Sores
Burning
Swelling
Blisters
Thick or scaly skin

13. Treatment Skin creams or ointments that control swelling
Antibiotics to treat infections
Antihistamines
Medications that suppress immune system

14. Psoriasis Skin redness and irritation Not contagious
Can trigger if exposed to:
Bacteria or viral infections
Dry air or skin
Injury
Stress
Too much or little sunlight
Too much alcohol
Weak immune system
Symptoms-
Irritated, red, flaky patches
Itchy
Raised and thick skin

15. Treatment Lotions, ointments, creams, and shampoos
Pills or injections that affect the immune system
Phototherapy- skin is exposed to UV light.

16. Careers
Allergist-
Corrects or improves the appearance of physical features.
Diagnoses and treats conditions/diseases of the skin, hair, and nails.
Diagnoses and treats allergies.
4 years of premedical college
4 years of Medical school
4 years of medical school
3 years of residency training
Internship
1 or 2 years fellowship program
3 years residency
2 years of fellowship program
$243,000-$319,000
$282,000-$460,000
$192,000-$247,000
Plastic Surgeon-
Dermatologist-

17. Medical Abbreviations
BMK SG
birthmark
skin graft Bx
Subq
biopsy
subcutaneous HD UV
Hansen disease (leprosy)
ultraviolet ID
intradermal

18. Medical Terminology cutane/o breathe through skin pil/o derm/o hair
prurit/o
erythem/o
itching
flushed, redness
pseudo-
graph/o
false
writing
psor/o
onych/o
nail
ungu/o
papul/o
papule, pimple
perspir/o

19. Now Let’s Play JEOPARDY!