BIO411-2011-11-Neural Crest

BIO411-2011-11-Neural Crest - Neural Crest Bio 411...

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Neural Crest Bio 411
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Ectodermal derivatives in vertebrate embryos ectoderm neural tube neural crest surface ectoderm
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Neural crest origins and derivatives
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Neural crest origins and derivatives neural crest cells arise in neural folds and dorsal neural tube neural fold somite neural tube notochord dorsolateral pathway ventromedial pathway prospective neural crest neural crest neural plate different neural crest derivatives across anteroposterior axial levels
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QuickTimeª and a Video decompressor are needed to see this picture. Neural crest derivatives: craniofacial bone and cartilage
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Neural crest derivatives: teeth neural crest
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Neural crest derivatives: beaks
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Neural crest derivatives: peripheral nervous system
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Neural crest derivatives: pigment cells
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Intermediate level of bmp signaling required for NC induction Frog Zebrafish bmp mutant complete bmp loss smad mutant intermed bmp loss wt foxd3 (fkd6) (NC marker) Nguyen. ..Mullins Dev Biol 199:93, 1998
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Interactions between neural plate and non-neural ectoderm in neural crest induction slug HNK1 neural plate epidermis epidermis + neural plate epidermis + neural plate quail cells HNK1 in vitro isolation of future epidermis and neural plate from avian embryos
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neural plate epidermis transplantation in vivo Interactions between neural plate and non-neural ectoderm in neural crest induction HNK1
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Wnt signaling in neural crest induction Wnt expression in prospective epidermis adjacent to neural plate explanted neural plate Wnt-conditioned medium control medium Hypothesis: Epidermal Wnt6 induces neural crest at neural plate–epidermal boundary.
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This note was uploaded on 01/24/2012 for the course BIOL 411 taught by Professor Staff during the Fall '08 term at University of Washington.

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BIO411-2011-11-Neural Crest - Neural Crest Bio 411...

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