Microanatomy of Eye laboratory

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MicroanatomyofEyelaboratory

• By
• Colonel Siriratana Wanichanon

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Three Layers of Eye Ball

Extraocular connective tissue
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Cornea
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Inner limiting membrane Nerve fiber
layer Ganglion cell layer Inner plexiform
layer Inner nuclear layer Outer plexiform layer
Outer nuclear layer Outer limiting
membrane Rods and cones layer Pigment
epithelium
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• Fovea centralis
• Ganglion cell layer and bipolar
• Cell layer are absent
• Photosentive cell layer is prominent
• (Rod free area)

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Ora serrata The transition from optic to non-
optic retina
Optic retina
Non-optic retina
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Optic disc or blind spot
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Lens capsule
Lens with detached lens nucleus
Lens epithelium
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Fanterior iris epithelium is fibroblast Mmelanoc
ytes
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Lacrimal Gland
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Dinterlobular duct, ICinterlobular connective
tissue
D
IC
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Dinterlobular duct, ICinterlobular connective
tissue,intralobular duct
IC
D
IC
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MEmyoepithelial cell, Pplasma cell,Zzymogen
granules
P
ME
Z
ME
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Thank You
Thank You
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Internal Earlaboratory

• By
• Colonel Siriratana Wanichanon

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Membranous labyrinth

• Membranous labyrinth
• composed of
• Mesothelium and its basal lamina
• Connective tissue fibers
• Fibroblasts and melanocytes

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Macula utriculi (sacculi)
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Crista ampullaris
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Crista ampullaris
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Crista ampullaris
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Macula utriculi ( sacculi )
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Auditory portion
In the rectangle see the next page
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Cochlea
Scala vestibuli
Scala media
Scala tympani
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Organ of Corti
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Structures around Organ of corti
Stria vascularis
Osseous spiral lamina
Spiral ligament
Spiral ganglion In modiolus
( See structures in the rectangle in the next
page )
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Organ of Corti
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