Eye and Ear Wk 5 - Development of the Eye Neuroectoderm...

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Development of the Eye Neuroectoderm Surface Ectoderm Mesoderm Neural Crest Cells
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Neuroectoderm Retina Optic Nerve – comes out of retina Posterior Layers of the Iris
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Surface Ectoderm Lens Corneal epithelium
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Mesoderm Fibrous Coat (Sclera) Vascular Coat (Choroid)
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Neural Crest Cells Choroid Sclera Corneal Epithelia
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Formation of the Optic Cup Development begins week 4 with the appearance of optic grooves in the neural folds When folds fuse, optic vesicles form. They are attached to the developing forebrain by optic stalks
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Neural groove Neural tube Notochord Neural fold Optic groove Level of section B A Neural fold Mesenchyme Surface ectoderm Optic groove B Optic stalk Lens placode Lens pit Surface ectoderm Early stage of optic cup D Mesenchyme Mesenchyme Midbrain Optic vesicle Lens placode Surface ectoderm C Forebrain Slide 19.1
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Mesenchyme Hyaloid artery Hyaloid vein in optic fissure Outer layer of optic cup Inner layer of optic cup Lens vesicle Lens vesicle Intraretinal space Optic fissure Hyaloid artery Hyaloid artery Wall of brain Hyaloid vein Level of section G Optic cup Optic fissure Lumen of optic stalk E F G H Forebrain Slide 19.2
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Development of the Retina Walls of the optic cup Two layers separated by intraretinal space Retinal pigment epithelia Neural retina Photoreceptors Bipolar neurons Ganglion cells
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This note was uploaded on 11/21/2011 for the course ANAT 1502 taught by Professor Johnh.romfh during the Spring '10 term at Life Chiropractic College West.

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Eye and Ear Wk 5 - Development of the Eye Neuroectoderm...

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