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You gotta have skin; All you really need is skin. Skin's the thing, that if you've got it outside, It helps keep your insides in.    Alan Sherman (1924-1973) Ch 4:  Integumentary System
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],Stratum  germinativum = stratum basale Innermost, single layer
[object Object],[object Object],[object Object],Several cells thick  Stratum  spinosum
[object Object],[object Object],[object Object],Stratum  granulosum Small granules of keratin
[object Object],[object Object],Stratum  lucidum Mostly keratin
[object Object],[object Object],[object Object],[object Object],[object Object],Stratum  corneum 15-30  layers (much thicker in thick skin)
[object Object],[object Object],[object Object],[object Object],Refers to epidermis
c c
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Depends on 3 pigments:
Number of melanocytes same in all people,  production levels differ ! Function ? UV protection?
Albinism Vitiligo
[object Object],[object Object]
Review of Connective Tissue This is similar to Table 4.2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],M 
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
Skin Glands
[object Object],[object Object],Sebaceous follicles , = Large sebaceous glands, discharge directly to epidermis Folliculitis; furuncle (boil); acne
[object Object],[object Object],[object Object],[object Object],[object Object]
 
[object Object],[object Object],[object Object],[object Object],[object Object]
 
[object Object],[object Object],[object Object]
 
[object Object],[object Object],[object Object],[object Object],[object Object],BCC SCC Iris Melanoma Dermal Melanoma
Skin and Aging Process
 

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Chapter5 integumentarymarieb

Editor's Notes

  1. Lucid = translucent
  2. Insensible perspiration about 500 ml / day
  3. Subcutaneous layer or superficial fascia