Skin Structure and Functions - Epidermis, Dermis, Glands, and Aging

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

[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?

[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],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],BCC SCC Iris Melanoma Dermal Melanoma

Skin Structure and Functions - Epidermis, Dermis, Glands, and Aging

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