1. Anatomy 812 Lab Session 10: Integumentary System Sept. 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
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