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Hair, Nails, Infections

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Hair, Nails, Infections. Do Now. 3 in 3 3 things from last class in 3 minutes Homework Review. Homework. Answer questions from the text book Pages and number to be determined. Where does hair come from?. Produced by a hair follicle Daughter cells are created and pushed away Die - PowerPoint PPT Presentation

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Page 1: Hair, Nails, Infections

Hair, Nails, Infections

Page 2: Hair, Nails, Infections

Do Now

3 in 3 3 things from last class in 3 minutes

Homework Review

Page 3: Hair, Nails, Infections

Homework

Answer questions from the text book Pages and number to be determined

Page 4: Hair, Nails, Infections

Where does hair come from?

Produced by a hair follicle

Daughter cells are created and pushed away Die

Due to death, almost entirely protein

Page 5: Hair, Nails, Infections

Function

Minor protective functions Guard against bumps

Keeps sweat out of eyes

Shields eyes

Keeps foreign particles out of respiratory tract

Page 6: Hair, Nails, Infections

Nail

Modification of the epidermis

Comparable to a hoof or claw of other animals

Transparent/colorless Pink color is from large blood supply

Blue color signifies lack of blood supply

Page 7: Hair, Nails, Infections

Infections

Athlete’s foot Itchy, red, peeling between toes

Fungus

Page 8: Hair, Nails, Infections

Infections

Boils Inflammation of the hair follicle

Bacterial infection

Form of staph infection

Page 9: Hair, Nails, Infections

Infections

Cold Sore (fever blisters) Itch and sting

Herpes Simplex infection

Remains dormant until activated by emotional upset, fever or UV radiation

Page 10: Hair, Nails, Infections

Infections

Contact Dermatitis Itching, redness and swelling of skin

Caused by an exposure to chemicals

Page 11: Hair, Nails, Infections

Infections

Impetigo Pink, water filled lesions

Develop to yellow crust

Caused by highly contagious staph infection

Page 12: Hair, Nails, Infections

Infections

Psoriasis Chronic

Overproduction of skin cells Red lesions

Cover with dry, silvery scales

Believed to be caused by body’s own immune system attacking a person’s tissues

Triggered by trauma, stress or infection

Page 13: Hair, Nails, Infections

Infections

Methicillin-Resistant Staphylococcus Aureus (MRSA)

Resistant to most antibiotics

Open wounds or sores that become infected

Page 14: Hair, Nails, Infections

Bill Nye!

http://www.youtube.com/watch?v=hUcyEhukn1M

Page 15: Hair, Nails, Infections

Homework

Answer questions from the book Pages and numbers to be determined