Slot 3 40 Thick skin A epidermis B

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)

Slot 3. 42 - Hair follicle (c. s. )

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

Slot 3. 44 - Sebaceous gland Arrows = basal cells (equivalent of stratum germinativum)

Slot 3. 45 Sweat glands and myoepithelial cells Arrows = myoepithelial cells

Slot 3. 46 Lateral incisor tooth Periodontal membrane = dense regular CT

Slot 3. 47 -Tooth (high power) D = dentin E = enamel C = cementum

Slot 3. 48 Odondoblast

Slot 3. 49 - Ameloblast

2 tooth bud Enamel organ Slot 3. 50 Tooth development OEE Enamel Pulp Ameloblasts Odontoblasts

Slot 3. 51 - Thick skin Stratum lucidum Stratum granulosum Stratum spinosum Stratum germinativum Papillary layer of dermis Stratum corneum

Slot 3. 52 - Thick skin Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum germinativum Papillary layer of dermis

Slot 3. 53 - Thin skin (non-pigmented and pigmented) Stratum corneum Note pigment in stratum germinativum

Slot 3. 54 - Fingernail Nail plate Nail bed Bone of finger

Slot 3. 55 - Fingernail Nail plate Nail bed

Slot 3. 56 - Hair follicle (l. s. ) Internal root sheath External root sheath Dermal papilla Hair matrix

Slot 3. 57 - Hair follicle (c. s. ) CT Sheath External Root Sheath Cortex

Slot 3. 58 - Hair follicle (l. s. ) Medulla Cortex Cuticle Internal Root Sheath External Root Sheath CT Sheath

Slot 3. 59 - Sebaceous gland

Slot 3. 60 - Sweat gland

Vermilion Border Hair of Chinny-chin Slot 3. 61 - Lip (vertical section)

Slot 3. 62 - Tooth (high power) Enamel Dentin Cementum

Slot 3. 63 - Tooth (early development of enamel organ) Outer Enamel Epithelium Inner Enamel Epithelium Enamel Pulp

Slot 3. 64 - Tooth (odontoblasts and dentin) Odontoblasts Dentin Mesenchyme

Slot 3. 65 - Tooth (dentinal processes) Dentin Odontoblast processes

Slot 3. 66 - Tooth (dentinal processes, c. s. ) Dentin Odontoblast processes

Slot 3. 67 - Tooth (periodontal membrane, cementum and alveolar bone) Alveolar bone Dentin Periodontal membrane Cementum

Slot 3. 68 – Tooth buds (early enamel organs) Early tooth buds (enamel organ) Tongue

Slot 3. 69 - Tooth development Dentin Enamel

Outer Enamel Epithelium Slot 3. 70 Tooth development (enamel organ) Inner Enamel Epithelium (ameloblasts) Enamel Pulp

Slot 3. 71 - Tooth development (later enamel organ) Ameloblasts Enamel Dentin Odontoblasts Odontoblast processes

Slot 3. 72 - Pacinian corpuscle (pressure receptors)

Slot 3. 73 - Pacinian corpuscle (pressure receptors) Nerve endings Modified Schwann cells

Slot 3. 74 - Pacinian corpuscle (c. s. ) Nerve endings Modified Schwann cells