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Anatomy 812 Lab Session 10: Integumentary System Sept. 8, 2005

Anatomy 812 Lab Session 10: Integumentary System Sept. 8, 2005. Russell Chowning Tabitha Hocker Carmen Kiper Greg Rupp. Slides in this lab:. #4: Thick skin – human (PTAH) #3: Thick skin – human (H&E) #2: Thin skin – human infant finger (H&E) #65: Meissner’s corpuscles – monkey (H&E)

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Anatomy 812 Lab Session 10: Integumentary System Sept. 8, 2005

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  1. Anatomy 812Lab Session 10:Integumentary SystemSept. 8, 2005 Russell Chowning Tabitha Hocker Carmen Kiper Greg Rupp

  2. Slides in this lab: • #4: Thick skin – human (PTAH) • #3: Thick skin – human (H&E) • #2: Thin skin – human infant finger (H&E) • #65: Meissner’s corpuscles – monkey (H&E) • #95: Rectoanal junction – human (H&E) • #5: Facial skin – human (H&E) • #6: Eyelid – human (H&E) • #15: Ear – human infant (Verhoeff’s stain) • #26: Finger – human infant (H&E) • #66: Meisner’s corpuscles – monkey (H&E, silver stain) • #26 NH: Skin (reduced silver impregnation)

  3. Slide 4: Thick skin – human (PTAH) 4x Collagen Fibers (stained red) Elastic Fibers (stained blue-black) 10x

  4. Slide 3: Thick skin – human (H&E) Stratum Lucidum 40x… Stratum Corneum Dermis Dermal Papillae Epidermis 4x

  5. Slide 3: Thick Skin – human (H&E) – 40x Stratum Lucidum Stratum Granulosum Stratum Spinosum Stratum Basale Keratohyalin granules (basophilic) Keratinocytes

  6. Slide 3: 40x Mitotic Cells In Stratum Spinosum

  7. Slide 2: Thin skin – human (H&E) 4x 40x Melanocytes Merckel Cells or Langerhan’s Cells Melanin Pigment

  8. Slide 26 – Thin Skin – human infant finger (H&E) 4x 40x Notice how thin the stratum corneum is, and the absence of a stratum lucidum, as compared to the thick skin seen in slide 3.

  9. Slide 65: Meissner’s corpuscles – monkey (H&E) 4x Next Page (10x)… 40x 2 Pages Hence (40x)… Eccrine gland: Secretory portion (Double layer of cuboidal cells)

  10. Slide 65 (cont.) Eccrine Gland Ducts 10x

  11. Slide 65 (cont.) Meissner’s Corpuscles 40x

  12. Slide 95: Rectoanal Junction – Human (H&E) 4x 10x Rectoanal Junction Apocrine Duct

  13. Slide 5: Facial Skin – Human (H&E) 4x Hair Follicle Sebaceous Gland Sweat Gland

  14. Slide 5 – Sweat and Sebaceous Glands, 10x Sebaceous Gland Sweat Glands

  15. Slide 5 - Hair Shaft, 40x Hair Shaft Hair Root External Root Sheath Internal Root Sheath

  16. Slide 6: Eyelid – human (H&E) 4x 40x External Root Sheath Internal Root Sheath

  17. Slide 15: Ear – human infant (Verhoeff’s stain) 10x Sebaceous gland Melanocytes Hair Follicle Elastic Cartilage

  18. Slide 26: Finger – human infant (H&E) 4x Dense Keratinized Plate

  19. Slide 66: Meissner’s Corpuscles – monkey (H&E, silver stain) 4x Dense Keratinized Plate

  20. Slide 26NH: Skin (reduced silver impregnation (4x) 40x box 10x box

  21. Slide 26NH – 10x Pacinian Corpuscle

  22. Slide 26NH – 40x Meissner’s Corpuscle

  23. Slide 65: Thick Skin – monkey (H&E) (10x) Pacinian Corpuscle

  24. Slide 65: 40x Meissner’s Corpuscle

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