Textbook Notes (369,067)
Canada (162,366)
HLTC22H3 (102)
Dan Silver (21)
Chapter 5

chapter 5

9 Pages
37 Views

Department
Health Studies
Course Code
HLTC22H3
Professor
Dan Silver

This preview shows pages 1,2 and half of page 3. Sign up to view the full 9 pages of the document.
Description
Chapter5 Aging of the Skin and Musculoskeletal SystemSkinprovides the covering for the body and is the first line of defense against bacteria and virusesBones ligaments muscles tendonsprovide shape and support for the body and protect the internal vital organs from external traumaThe skin and the musculoskeletal system provide the most obvious external signs of agingSKINIs critical in temperature maintenance and helps in homoostasis Aging of the skin is one of the most obvious clues to ageIts the largest and most visible organ of the bodyOutermost layerepidermisSecond layerdermisThird layersubcutaneous fatEpidermisConsists mostly of keratinocytes that protect the skin from outside harm They are found deep in the epidermis as young cells and move to the surface as they age takes 30 daysKeratinocytes are necessary for the synthesis of vitamin D3 used in the absorption of calciumMelanocytes make up 2 of the cells in the epidermis produce melanin for keratinocytes and give colour to the skinSun exposure increases melanin production by these cells to protect from sun damageLangerhans cells make up 1 of the cells in the epidermis respond to toxic allergic stimuli
More Less
Unlock Document

Only pages 1,2 and half of page 3 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit