1. Slot 3.40 - Thick skin A = epidermis B = dermis P = Pacinian corpuscle Arrows = sweat glands Papillary layer of dermis Stratum corneum Sweat gland duct Arrows = stratum granulosum Stratum germinativum

2. Slot 3.41 - Nail sections (Note: nail plate and nail bed)

3. Slot 3.42 - Hair follicle (c.s.)

4. Slot 3.43 - Hair follicle sections M = medulla; C = cortex; HC & RC = cuticle; He & Hu = internal root sheath; T&P = external root sheath; G, 1&2 = dermal root sheath` M = matrix; HR = hair root; P = dermal papilla; I&O = int &ext root sheaths; D = dermal root sheath

5. Slot 3.44 - Sebaceous gland Arrows = basal cells (equivalent of stratum germinativum)

6. Slot 3.45 - Sweat glands and myoepithelial cells Arrows = myoepithelial cells

7. Slot 3.46 - Lateral incisor tooth Periodontal membrane = dense regular CT

8. Slot 3.47 -Tooth (high power) D = dentin E = enamel C = cementum

9. Slot 3.48 - Odondoblast

10. Slot 3.49 - Ameloblast

11. Slot 3.50 - Tooth development Enamel organ 2  tooth bud Enamel Pulp Ameloblasts Odontoblasts OEE

12. Slot 3.51 - Thick skin Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum germinativum Papillary layer of dermis

13. Slot 3.52 - Thick skin Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum germinativum Papillary layer of dermis

14. Slot 3.53 - Thin skin (non-pigmented and pigmented) Note pigment in stratum germinativum Stratum corneum

15. Slot 3.54 - Fingernail Nail plate Nail bed Bone of finger

16. Slot 3.55 - Fingernail Nail plate Nail bed

17. Slot 3.56 - Hair follicle (l.s.) Hair matrix Dermal papilla External root sheath Internal root sheath

18. Slot 3.57 - Hair follicle (c.s.) Cortex External Root Sheath CT Sheath

19. Slot 3.58 - Hair follicle (l.s.) Medulla Cortex Cuticle Internal Root Sheath External Root Sheath CT Sheath

20. Slot 3.59 - Sebaceous gland

21. Slot 3.60 - Sweat gland

22. Slot 3.61 - Lip (vertical section) Vermilion Border Hair of Chinny-chin-chin

23. Slot 3.62 - Tooth (high power) Enamel Cementum Dentin

24. Slot 3.63 - Tooth (early development of enamel organ) Inner Enamel Epithelium Outer Enamel Epithelium Enamel Pulp

25. Slot 3.64 - Tooth (odontoblasts and dentin) Odontoblasts Dentin Mesenchyme

26. Slot 3.65 - Tooth (dentinal processes) Dentin Odontoblast processes

27. Slot 3.66 - Tooth (dentinal processes, c.s.) Odontoblast processes Dentin

28. Slot 3.67 - Tooth (periodontal membrane, cementum and alveolar bone) Dentin Cementum Periodontal membrane Alveolar bone

29. Slot 3.68 – Tooth buds (early enamel organs) Early tooth buds (enamel organ) Tongue

30. Slot 3.69 - Tooth development DentinEnamel

31. Slot 3.70 - Tooth development (enamel organ) Inner Enamel Epithelium (ameloblasts) Outer Enamel Epithelium Enamel Pulp

32. Slot 3.71 - Tooth development (later enamel organ) Enamel Ameloblasts Dentin Odontoblasts Odontoblast processes

33. Slot 3.72 - Pacinian corpuscle (pressure receptors)

34. Slot 3.73 - Pacinian corpuscle (pressure receptors) Nerve endings Modified Schwann cells

35. Slot 3.74 - Pacinian corpuscle (c.s.) Nerve endings Modified Schwann cells