Skin (Comparison b/w Dog,Cow,Horse' Skin)
-
Upload
mujahid-hussain -
Category
Education
-
view
1.591 -
download
0
Transcript of Skin (Comparison b/w Dog,Cow,Horse' Skin)
![Page 1: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/1.jpg)
BYBY
![Page 2: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/2.jpg)
General Points Of SkinGeneral Points Of Skin
![Page 3: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/3.jpg)
Layers Of SkinLayers Of Skin
• Skin is composed of 3 layers1) Epidermis
2) Dermis
3) Hypodermis or Subcutis
![Page 4: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/4.jpg)
![Page 5: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/5.jpg)
EpidermisEpidermis
• Outermost layer of skin
• Derived from basal membrane Stratum Basale
• Presents the openings of hair follicles
• Epidermis consists of 4 sublayers1. Stratum Corneum – Outermost Horny Layer
2. Stratum Lucidum – Clear Layer
3. Stratum Granulosum – Granular Layer
4. Stratum Spinosum – Prickly Cell Layer
![Page 6: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/6.jpg)
![Page 7: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/7.jpg)
DermisDermis
• Supports the Epidermis
• Consists of Collagen,Reticular & Elastic fibers
• Modify the structure & function of EpidermisPlay role in
• Strength & Elasticity of skin
• Maintenance & Repair of skin
![Page 8: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/8.jpg)
![Page 9: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/9.jpg)
Hypodermis/SubcutisHypodermis/SubcutisConsists of
• Connective tissue
• Elastic fibers
• Fat - when fat forms a layer of considerable thickness,it is termed as Peniculus Adiposus
Act as• Energy Reserve
• Insulator
• Body Contour More subcutaneous tissue = Skin is raised Less subcutaneous tissue = Skin is adherent to subjacent structures
![Page 10: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/10.jpg)
Fat Cells
![Page 11: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/11.jpg)
Functions Of SkinFunctions Of Skin
• Preservation of the animal's shape
• Protection against water loss
• Protection from physical, chemical & microbial injury imposed by external agents
• Thermoregulation
• Vitamin D synthesis (By Sunlight)҉: The protective function of the skin is enhanced
by the presence of sebum & sweat that spread over the cells of the stratum corneum
![Page 12: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/12.jpg)
Comparative Points Of SkinComparative Points Of Skin
![Page 13: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/13.jpg)
ThicknessThickness
Greater than that of any other domesticated animal
![Page 14: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/14.jpg)
Cutaneous GlandsCutaneous Glands
Larger than that of any other domesticated animal
![Page 15: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/15.jpg)
Sebaceous GlandsSebaceous Glands
![Page 16: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/16.jpg)
Sudoriferous/Sweat GlandsSudoriferous/Sweat Glands
![Page 17: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/17.jpg)
Naso Labial GlandsNaso Labial Glands
![Page 18: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/18.jpg)
HairsHairs
![Page 19: Skin (Comparison b/w Dog,Cow,Horse' Skin)](https://reader033.fdocuments.us/reader033/viewer/2022052600/557d1388d8b42a3d3d8b47f3/html5/thumbnails/19.jpg)