germ layers

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chetanladdha
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germ layers

Post by chetanladdha » Sat Nov 19, 2005 7:54 am

can anybody p0lss tell me
2 derivatives of ectoderm
2 derivatives of mesoderm
2 derivatives of endoderm???

thanks a lot in advance..

sdekivit
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Post by sdekivit » Sat Nov 19, 2005 4:47 pm

google is your biggest friend ;) --> try search there, there can be found enough about derivatives of germlayers.

--> remember what is ectoderm and endoderm and mesoderm

--> ectoderm = skin for example

--> endoderm = primitive gut (the lungs are formed out of this structure)

--> mesoderm is divided into four pieces: axial/paraxial intermediar / lateral plate mesoderm

the kidneys are formed out of the intermediar mesoderm for example and the heart out of the lateral plate mesoderm.

DJ
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Post by DJ » Sat Nov 19, 2005 8:53 pm

Also mesoderm is what separates us from the acoelomate.

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