BIOL 595-10-06-09 (F 2009)

BIOL 595-10-06-09 (F 2009) - BIOL 595 Vertebrate 2 Nie...

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BIOL 595 10-06-09 Vertebrate 2
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Nie uwko o p S ig naling   C e nte r
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Nie uwko o p’s  Finding Vegetal region has inductive ability
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Nie uwko o p’s  Additio nal Expe rim e nts 1) Vegetal region of the prospective dorsal side + Animal cap Forms dorsal mesoderm tissues: notochord and muscles
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2) Vegetal region of the ventral side + Animal cap Forms ventral mesoderm tissues: blood and mesenchyme
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3) Vegetal region of intermediate position + Animal cap Forms intermediate types of mesoderm
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The  induc tio n o f anim al he m is phe re  c e lls  to  fo rm   m e s o de rm  o c c urs  in a g rade d fas hio n be c aus e   the  ve g e tal c e lls  e m it o ne  o r m o re  g rade d  induc tio n s ig nals  to  the  anim al he m is phe re  c e lls Nie uwko o p’s   C o nc lus io n
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S te ps  in the  Fo rm atio n o f the  Nie uwko o p  C e nte r 1) Fe rtilizatio n c aus e s  c o rtic al ro tatio n, whic h  s hifts  do rs al de te rm inants  to  the  future  
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