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Kaplan Qbank USMLE



Author4 Posts
  #1

embrylogical origin of notochord is???

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  #2

cells migrating in from rostral end of primitive streak (yeah there was a name for it )

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  #3

Mesoderm has four parts....

a)Axial

b)Paraxial

c)Intermediate

d)Lateral.

Notochord is a derivative of Axial mesoderm..


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  #4

Formation of notochord starts around day 16 of embryonic development.

It forms a transient passge called neurenteric canal, w/c connects the yolk sac cavity & amniotic cavity, this occurs around day 18.








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