<?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="Labrum (arthropod mouthpart) - Page 2 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=Labrum_(arthropod_mouthpart)&amp;p=1">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Labrum_%28arthropod_mouthpart%29&amp;p=3">3.Next</a>
</p>
<p>origin, <a href="page.php?w=embryogenesis">embryogenesis</a>, and <a href="page.php?w=Morphology_%28biology%29">morphological</a> development of the labrum have proved to be some of the most controversial and challenging topics in the study of arthropod head structures.</p>

<p><big>Embryonic nature and origin of the labrum</big></p>
<p>The labrum is innervated in crustaceans and insects from the <a href="page.php?w=tritocerebrum">tritocerebrum</a> (the back of the brain).  However, in development, its embryonic <a href="page.php?w=primordium">primordium</a></p><p>
<a accesskey="1" href="page.php?w=Labrum_(arthropod_mouthpart)&amp;p=1">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Labrum_%28arthropod_mouthpart%29&amp;p=3">3.Next</a>
</p>

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

</card>
</wml>
