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Slot 3.40 - Thick skin

Slot 3.40 - Thick skin. A = epidermis B = dermis P = Pacinian corpuscle. Sweat gland duct. Stratum corneum. Arrows = stratum granulosum. Arrows = sweat glands. Stratum germinativum. Papillary layer of dermis. Slot 3.41 - Nail sections (Note: nail plate and nail bed).

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Slot 3.40 - Thick skin

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

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

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

  4. 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 Slot 3.43 - Hair follicle sections

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

  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) Stratum corneum Note pigment in stratum germinativum

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

  16. Slot 3.55 - Fingernail Nail plate Nail bed

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

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

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

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

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

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

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

  30. Slot 3.69 - Tooth development Dentin Enamel

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

  32. Slot 3.71 - Tooth development (later enamel organ) Ameloblasts Enamel 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

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