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Difference between revisions of "Dermatopathology"
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→Histology: +layers of the dermis, subdivide
(→Histology: +layers of the dermis, subdivide) |
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*Subdermis - below the dermis, connective tissue. | *Subdermis - below the dermis, connective tissue. | ||
== | ===Layers of the epidermis=== | ||
Epidermis layers - from the surface to epidermal-dermal junction: | Epidermis layers - from the surface to epidermal-dermal junction: | ||
*Stratum corneum. | *Stratum corneum. | ||
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Mnemonic: ''Corn Lovers Grow Several Bales''. | Mnemonic: ''Corn Lovers Grow Several Bales''. | ||
===Cells of the epidermis=== | ====Cells of the epidermis==== | ||
*Keratinocytes. | *Keratinocytes. | ||
**Usu. eosinophilic cytoplasm - '''important feature'''. | **Usu. eosinophilic cytoplasm - '''important feature'''. | ||
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***[[Paget disease]]: large cells with clear cytoplasm, may cluster, above basal layer. | ***[[Paget disease]]: large cells with clear cytoplasm, may cluster, above basal layer. | ||
==Adnexal structures== | ===Layers of the dermis=== | ||
Subdivided into: | |||
#Papillary dermis. | |||
#*Location: superficial - opposed to the deep aspect of the epidermis. | |||
#*Appearance: dense, thick collagen bundles. | |||
#Reticular dermis. | |||
#*Location: deep - between papillary dermis and subdermis. | |||
#*Appearance: loose connective tissue. | |||
Images: | |||
*[http://www.biology-online.org/user_files/Image/Anatomy/AN-fibroblastF02.gif Layers of the dermis - labelled (biology-online.org)].<ref>URL: [http://www.biology-online.org/articles/fibroblast_heterogeneity_skin_deep/figures.html http://www.biology-online.org/articles/fibroblast_heterogeneity_skin_deep/figures.html]. Accessed on: 29 March 2012.</ref> | |||
*[http://melanoma.blogsome.com/wp-admin/images/skinstr.jpg Layers of the skin (melanoma.blogsome.com)].<ref>URL: [http://melanoma.blogsome.com/category/skin-structure/ http://melanoma.blogsome.com/category/skin-structure/]. Accessed on: 29 March 2012.</ref> | |||
===Adnexal structures=== | |||
The top five structures of the skin:<ref>{{Ref Derm|4-8}}</ref> | The top five structures of the skin:<ref>{{Ref Derm|4-8}}</ref> | ||
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