Slot 3.40 - Thick skin

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

description

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). - PowerPoint PPT Presentation

Transcript of Slot 3.40 - Thick skin

Page 1: Slot 3.40 - Thick skin

Slot 3.40 - Thick skin

A = epidermisB = dermisP = Pacinian corpuscle

Arrows = sweat glands

Papillary layer of dermis

Stratum corneum

Sweat gland duct

Arrows = stratum granulosum

Stratum germinativum

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

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Slot 3.42 - Hair follicle (c.s.)

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Slot 3.43 - Hair follicle

sections

M = medulla;C = cortex;HC & RC =cuticle;He & Hu =internal rootsheath;T&P = externalroot sheath;G, 1&2 = dermalroot sheath`

M = matrix;HR = hair root;P = dermal papilla;I&O = int &ext root sheaths;D = dermal rootsheath

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Slot 3.44 - Sebaceous gland

Arrows = basal cells (equivalentof stratum germinativum)

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Slot 3.45 - Sweat glands and myoepithelial cells

Arrows = myoepithelial cells

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Slot 3.46 - Lateral incisor tooth

Periodontal membrane = dense regular CT

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Slot 3.47 -Tooth (high power)

D = dentinE = enamelC = cementum

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Slot 3.48 - Odondoblast

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Slot 3.49 - Ameloblast

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Slot 3.50 -Tooth

development

Enamelorgan

2 tooth bud

EnamelPulp

Ameloblasts

Odontoblasts

OEE

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Slot 3.51 - Thick skin

Stratum corneum

Stratum lucidum

Stratum granulosum

Stratum spinosum

Stratum germinativum

Papillary layer of dermis

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Slot 3.52 - Thick skin

Stratum corneum

Stratum lucidum

Stratum granulosum

Stratum spinosum

Stratum germinativum

Papillary layer of dermis

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Slot 3.53 - Thin skin (non-pigmented and pigmented)

Note pigment in stratum germinativum

Stratum corneum

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Slot 3.54 - Fingernail

Nail plate Nail bed

Bone of finger

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Slot 3.55 - Fingernail

Nail plate

Nail bed

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Slot 3.56 - Hair follicle (l.s.)

Hair matrixDermal papilla

External root sheath

Internal root sheath

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Slot 3.57 - Hair follicle (c.s.)

Cortex

External Root Sheath

CT Sheath

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Slot 3.58 - Hair follicle (l.s.)

MedullaCortex

Cuticle

Internal Root Sheath

External Root Sheath

CT Sheath

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Slot 3.59 - Sebaceous gland

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Slot 3.60 - Sweat gland

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Slot 3.61 - Lip (vertical section)

VermilionBorder

Hair of Chinny-chin-chin

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Slot 3.62 - Tooth (high power)

Enamel

Cementum

Dentin

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Slot 3.63 - Tooth (early development of enamel organ)

Inner EnamelEpithelium

Outer EnamelEpithelium

EnamelPulp

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Slot 3.64 - Tooth (odontoblasts and dentin)

Odontoblasts

Dentin

Mesenchyme

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Slot 3.65 - Tooth (dentinal processes)

Dentin

Odontoblast processes

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

Odontoblast processes

Dentin

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Slot 3.67 - Tooth (periodontal membrane, cementum and alveolar bone)

Dentin

Cementum

Periodontal membrane

Alveolar bone

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Slot 3.68 – Tooth buds (early enamel organs)

Early tooth buds (enamel organ)

Tongue

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Slot 3.69 - Tooth development

Dentin Enamel

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Slot 3.70 - Tooth

development (enamel organ)

Inner EnamelEpithelium

(ameloblasts)

Outer EnamelEpithelium

Enamel Pulp

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Slot 3.71 - Tooth development (later enamel organ)

Enamel

Ameloblasts

Dentin

OdontoblastsOdontoblast processes

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Slot 3.72 - Pacinian corpuscle (pressure receptors)

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Slot 3.73 - Pacinian corpuscle (pressure receptors)

Nerve endings

Modified Schwann cells

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Slot 3.74 - Pacinian corpuscle (c.s.)

Nerve endings

Modified Schwann cells