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17 Cards in this Set
- Front
- Back
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Optic pits first appear
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Day 23
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evagination of optic vesicle
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Day 25
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induction of the lens
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Day 28
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Embryonic fissure closespressurization of the globe; Begins midway & zips both directions on inf aspect of globe
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Day 33
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ectodermal cord buries in mesoderm btwn maxillary & lateral nasal processes
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Day ~42
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pupillary light reflex
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week 30
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ectodermal cord canalizes to lid margin & inferior meatus
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month 3
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myelination of ON sheath (completed at 1 m/o); starts at lat.genitculate ganglionlamina cribrosa
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month 7
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ocular length at term
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=16-17mm
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fovea matures
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4-6 mo old
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Mesoderm
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EOM, Vascular endothelium, Schlemm’s canal, blood, small temp sclera
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Neural crest
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K stroma, K endo, TM, iris stroma, CB stroma, ciliary muscles, sclera, cartilage, bone, connective tissue of EOM, choroid (**anterior segment dysgeneses (Peters, CHED, internal ulcer of von Hippel)**)
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Surface ectoderm
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lacrimal gland/NLD, lids/lashes/epidermis, conj epi, K epi, lens
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Neural ectoderm
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post iris epi, sphincter & dilator pupillae, ciliary epi, neural retina, RPE, ON, nonpigmented layer of CB
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embryonic vitreous:
primary |
becomes remnants of the hyaloidal system (hyaloidal canal, hyaloidal vessels & post portions of tunica vasculosa lentis
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embryonic vitreous:
secondary |
becomes main vitreous body
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embryonic vitreous:
tertiary |
becomes zonules
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