<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Germ layer - Page 13 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=germ_layer&amp;p=12">1.Previous</a><br />
<a accesskey="3" href="page.php?w=germ_layer&amp;p=14">3.Next</a>
</p>
<p><b>endoderm</b> is one of the germ layers formed during <a href="page.php?w=animal_embryonic_development">animal embryonic development</a>. Cells migrate inward along the <a href="page.php?w=archenteron">archenteron</a> to form the inner layer of the <a href="page.php?w=gastrula">gastrula</a>, developing into the <a href="page.php?w=endoderm">endoderm</a>.</p>

<p>The endoderm consists at first of flattened cells, which subsequently become columnar. It forms the epithelial lining of the whole of the <a href="page.php?w=gastrointestinal_tract">digestive tract</a></p><p>
<a accesskey="1" href="page.php?w=germ_layer&amp;p=12">1.Previous</a><br />
<a accesskey="3" href="page.php?w=germ_layer&amp;p=14">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
