{"id":13223,"date":"2020-12-24T12:02:06","date_gmt":"2020-12-24T11:02:06","guid":{"rendered":"https:\/\/codexvirtualis.fr\/codex\/?page_id=13223"},"modified":"2021-07-28T12:20:57","modified_gmt":"2021-07-28T10:20:57","slug":"la-metamerie-des-animaux-introduction","status":"publish","type":"page","link":"https:\/\/codexvirtualis.fr\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-des-animaux-introduction","title":{"rendered":"La m\u00e9tam\u00e9rie des animaux : introduction"},"content":{"rendered":"<br \/>\n<header>\n<table style=\"width: 100%; \">\n<tr>\n<th style=\"text-align: center; \" colspan=\"3\">La m\u00e9tam\u00e9rie des animaux<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 20%; text-align: left; \">\n                       <a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/preface\" title=\"Pr\u00e9face\">Pr\u00e9c\u00e9dent<\/a>\u00a0<\/td>\n<th style=\"width: 60%; text-align: center; \">\u00a0<\/th>\n<td style=\"width: 20%; text-align: right; \">\u00a0<a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-segmentation-corporelle-le-long-de-laxe-anteroposterieur\" title=\"La m\u00e9tam\u00e9rie : une segmentation corporelle le long de l\u2019axe ant\u00e9ropost\u00e9rieur\">Suivant<\/a>\n                    <\/td>\n<\/tr>\n<\/table>\n<hr \/>\n<\/header>\n<p> &nbsp; <\/p>\n<section class=\"article\" id=\"d0e69\">\n<h2 class=\"title\">La m\u00e9tam\u00e9rie des animaux<\/h2>\n<p>            <class=\"author\"><br \/>\n                <span class=\"firstname\">Sullyvan<\/span> <span class=\"surname\">Andrade<\/span><\/p>\n<p>                <code class=\"email\">&lt;<a class=\"email\" href=\"mailto:sullyvan.andrade@etu.univ-st-etienne.fr\">sullyvan.andrade@etu.univ-st-etienne.fr<\/a>&gt;<\/code><br \/>\n            <class=\"author\"><br \/>\n                <span class=\"firstname\">Cl\u00e9ment<\/span> <span class=\"surname\">Bastin<\/span><\/p>\n<p>            <code class=\"email\">&lt;<a class=\"email\" href=\"mailto:clement.bastin@etu.univ-st-etienne.fr\">clement.bastin@etu.univ-st-etienne.fr<\/a>&gt;<\/code><br \/>\n            <class=\"author\"><br \/>\n                <span class=\"firstname\">Valentine<\/span> <span class=\"surname\">Bonnel<\/span><\/p>\n<p>            <code class=\"email\">&lt;<a class=\"email\" href=\"mailto:valentine.bonnel@etu.univ-st-etienne.fr\">valentine.bonnel@etu.univ-st-etienne.fr<\/a>&gt;<\/code><br \/>\n            <class=\"author\"><br \/>\n                <span class=\"firstname\">Camille<\/span> <span class=\"surname\">Juge<\/span><\/p>\n<p>            <code class=\"email\">&lt;<a class=\"email\" href=\"mailto:camille.juge@etu.univ-st-etienne.fr\">camille.juge@etu.univ-st-etienne.fr<\/a>&gt;<\/code><\/p>\n<hr \/>\n<h3>Table des mati\u00e8res<\/h3>\n<ul class=\"toc\">\n<li><span class=\"sect1\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-des-animaux-introduction#d0e118\" title=\"La m\u00e9tam\u00e9rie des animaux : introduction\">Introduction<\/a><\/span>\n                <\/li>\n<li><span class=\"sect1\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-segmentation-corporelle-le-long-de-laxe-anteroposterieur\" title=\"La m\u00e9tam\u00e9rie : une segmentation corporelle le long de l\u2019axe ant\u00e9ropost\u00e9rieur\">La m\u00e9tam\u00e9rie : une segmentation corporelle le long de l&rsquo;axe ant\u00e9ropost\u00e9rieur<\/a><\/span>\n<ul>\n<li><span class=\"sect2\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-segmentation-corporelle-le-long-de-laxe-anteroposterieur#d0e171\" title=\"La m\u00e9tam\u00e9rie : des unit\u00e9s corporelles r\u00e9p\u00e9t\u00e9es le long de l'axe ant\u00e9ropost\u00e9rieur, les m\u00e9tam\u00e8res\">La m\u00e9tam\u00e9rie : des unit\u00e9s corporelles r\u00e9p\u00e9t\u00e9es le long de l&rsquo;axe ant\u00e9ropost\u00e9rieur, les m\u00e9tam\u00e8res<\/a><\/span>\n                        <\/li>\n<li><span class=\"sect2\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-segmentation-corporelle-le-long-de-laxe-anteroposterieur#d0e255\" title=\"La m\u00e9tam\u00e9rie : une r\u00e9p\u00e9tition d'organes le long de l'axe ant\u00e9ropost\u00e9rieur\">La m\u00e9tam\u00e9rie : une r\u00e9p\u00e9tition d&rsquo;organes le long de l&rsquo;axe ant\u00e9ropost\u00e9rieur<\/a><\/span>\n                        <\/li>\n<li><span class=\"sect2\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-segmentation-corporelle-le-long-de-laxe-anteroposterieur#d0e391\" title=\"La m\u00e9tam\u00e9rie : une segmentation et un creusement du m\u00e9soderme\">La m\u00e9tam\u00e9rie : une segmentation et un creusement du m\u00e9soderme<\/a><\/span>\n                        <\/li>\n<\/ul>\n<\/li>\n<li><span class=\"sect1\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-organisation-corporelle-modifiee-par-la-tagmatisation-et-la-regression\" title=\"La m\u00e9tam\u00e9rie : une organisation corporelle modifi\u00e9e par la tagmatisation et la r\u00e9gression\">La m\u00e9tam\u00e9rie : une organisation corporelle modifi\u00e9e par la tagmatisation et la r\u00e9gression<\/a><\/span>\n<ul>\n<li><span class=\"sect2\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-organisation-corporelle-modifiee-par-la-tagmatisation-et-la-regression#d0e469\" title=\"La m\u00e9tam\u00e9rie : des unit\u00e9s corporelles fusionn\u00e9es en tagmes\">La m\u00e9tam\u00e9rie : des unit\u00e9s corporelles fusionn\u00e9es en tagmes<\/a><\/span>\n                        <\/li>\n<li><span class=\"sect2\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-organisation-corporelle-modifiee-par-la-tagmatisation-et-la-regression#d0e546\" title=\"La m\u00e9tam\u00e9rie : des unit\u00e9s corporelles masqu\u00e9es\">La m\u00e9tam\u00e9rie : des unit\u00e9s corporelles masqu\u00e9es<\/a><\/span>\n                        <\/li>\n<\/ul>\n<\/li>\n<li><span class=\"sect1\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-un-fonctionnement-segmentaire-et-coordonne-de-lorganisme\" title=\"La m\u00e9tam\u00e9rie : un fonctionnement segmentaire et coordonn\u00e9 de l\u2019organisme\">La m\u00e9tam\u00e9rie : un fonctionnement segmentaire et coordonn\u00e9 de l&rsquo;organisme<\/a><\/span>\n<ul>\n<li><span class=\"sect2\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-un-fonctionnement-segmentaire-et-coordonne-de-lorganisme#d0e611\" title=\"La m\u00e9tam\u00e9rie : des fonctions de nutrition segmentaires\">La m\u00e9tam\u00e9rie : des fonctions de nutrition segmentaires<\/a><\/span>\n                        <\/li>\n<li><span class=\"sect2\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-un-fonctionnement-segmentaire-et-coordonne-de-lorganisme#d0e648\" title=\"La m\u00e9tam\u00e9rie : des fonctions de relation segmentaires\">La m\u00e9tam\u00e9rie : des fonctions de relation segmentaires<\/a><\/span>\n                        <\/li>\n<li><span class=\"sect2\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-un-fonctionnement-segmentaire-et-coordonne-de-lorganisme#d0e696\" title=\"La m\u00e9tam\u00e9rie : des fonctions segmentaires int\u00e9gr\u00e9es\">La m\u00e9tam\u00e9rie : des fonctions segmentaires int\u00e9gr\u00e9es<\/a><\/span>\n                        <\/li>\n<\/ul>\n<\/li>\n<li><span class=\"sect1\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-des-animaux-conclusion\" title=\"La m\u00e9tam\u00e9rie des animaux : conclusion\">Conclusion<\/a><\/span>\n                <\/li>\n<li><span class=\"bibliography\"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-des-animaux-bibliographie-et-sitographie\" title=\"La m\u00e9tam\u00e9rie des animaux : bibliographie et sitographie\">Bibliographie et sitographie<\/a><\/span>\n                <\/li>\n<\/ul>\n<\/section>\n<section class=\"sect1\" id=\"d0e118\">\n<h2 class=\"title\" style=\"clear: both\">Introduction<\/h2>\n<p>Le monde vivant est repr\u00e9sent\u00e9 par de multiples organismes, unicellulaires comme pluricellulaires. Leurs cellules contiennent un noyau dans le cas des Eucaryotes ou n&rsquo;en contiennent pas dans le cas des Procaryotes. <\/p>\n<p>Parmi les organismes eucaryotes pluricellulaires, eux-m\u00eames tr\u00e8s diversifi\u00e9s, figurent les M\u00e9tazoaires, h\u00e9t\u00e9rotrophes pour le carbone et g\u00e9n\u00e9ralement mobiles, correspondant aux animaux. <\/p>\n<p> &nbsp; <\/p>\n<figure id=\"d0e126\"\n                    class=\"img\"\n                    title=\"Figure\u00a01.\u00a0Arbre phylog\u00e9n\u00e9tique des M\u00e9tazoaires\"><\/p>\n<div class=\"figure\">\n                        <figure style=\"width: 300px\" class=\"wp-caption alignnone\"><a rel=\"lightbox\" href=\"\/documents\/images\/PetitesQuestionsDePhysiologie\/2019\/media\/images\/01_figure_01.jpg\" width=\"300\"><img decoding=\"async\" src=\"\/documents\/images\/PetitesQuestionsDePhysiologie\/2019\/media\/images\/01_figure_01.jpg\" width=\"300\"                                                     alt=\"Arbre phylog\u00e9n\u00e9tique des M\u00e9tazoaires\" class=\"size-medium\" \/><figcaption class=\"wp-caption-text\">Figure 1. Arbre phylog\u00e9n\u00e9tique des M\u00e9tazoaires<\/a><\/figcaption><\/figure>\n                    <\/div>\n<div class=\"copyright\">\n<p>Copyright : 2019 Sullyvan Andrade Camille Juge<\/p>\n<\/p><\/div>\n<div class=\"legalnotice\" title=\"Note L\u00e9gale\">\n<p> Cette illustration est mise \u00e0 disposition selon les termes de la Licence Creative Commons Attribution &#8211; Pas d&rsquo;Utilisation Commerciale &#8211; Partage dans les m\u00eames conditions 4.0 International.<span class=\"inlinemediaobject\"><br \/>\n                                <img decoding=\"async\" class=\"ccimage\"\n                                    src=\"\/documents\/images\/PetitesQuestionsDePhysiologie\/2019\/media\/images\/00_licence.png\"\n                                    width=\"50\"\/><br \/>\n                            <\/span>\n                        <\/p>\n<\/p><\/div>\n<\/figure>\n<p> &nbsp; <\/p>\n<p>Le groupe des M\u00e9tazoaires comporte des organismes aussi vari\u00e9s que les M\u00e9duses (Cnidaires), les Vers ronds (N\u00e9matozoaires), les Criquets (Euarthropodes), les Moules (Eumollusques), les Vers de terre (Ann\u00e9lides), les Oursins (\u00c9chinodermes) et les Rats (Chord\u00e9s). Ils diff\u00e8rent par leurs milieux et modes de vie ainsi que par leurs organisations corporelles.<\/p>\n<p>Cependant Euarthropodes, Ann\u00e9lides et Chord\u00e9s, bien qu&rsquo;appartenant \u00e0 des sous-groupes distincts, partagent un caract\u00e8re  morphologique : leur corps est constitu\u00e9 de segments se succ\u00e9dant de l&rsquo;avant vers l&rsquo;arri\u00e8re, le long de l&rsquo;axe longitudinal.<\/p>\n<p>En premi\u00e8re approximation, la m\u00e9tam\u00e9rie correspond \u00e0 une telle segmentation corporelle longitudinale. <\/p>\n<p>Quelles sont les caract\u00e9ristiques de la m\u00e9tam\u00e9rie ?<\/p>\n<p>Comment est-elle exprim\u00e9e dans les plans d\u2019organisation des animaux ? <\/p>\n<p>Quelle est sa signification physiologique ?<\/p>\n<p>Comment a-t-elle \u00e9volu\u00e9 ?<\/p>\n<\/section>\n<p> &nbsp; <\/p>\n<footer>\n<hr \/>\n<table style=\"width: 100%; \">\n<tr>\n<td style=\"width: 40%; text-align: left; \">\n                         <a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/preface\" title=\"Pr\u00e9face\">Pr\u00e9c\u00e9dent<\/a> \u00a0<\/td>\n<td style=\"width: 20%; text-align: center; \">\u00a0<\/td>\n<td style=\"width: 40%; text-align: right; \"><a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\/la-metamerie-une-segmentation-corporelle-le-long-de-laxe-anteroposterieur\" title=\"La m\u00e9tam\u00e9rie : une segmentation corporelle le long de l\u2019axe ant\u00e9ropost\u00e9rieur\">Suivant<\/a>\n                    <\/td>\n<\/tr>\n<tr>\n<td style=\"width: 40%; text-align: left; vertical-align: top; \">Citation\u00a0<\/td>\n<td style=\"width: 20%; text-align: center; \">\n                        <a href=\"\/codex\/petites-questions-de-physiologie\/petites-questions-de-physiologie-animale-2019-ouvrage\" title=\"Petites questions de physiologie animale 2019 : ouvrage\">Sommaire<\/a>\n                    <\/td>\n<td style=\"width: 40%; text-align: right; vertical-align: top; \">La m\u00e9tam\u00e9rie : une segmentation corporelle le long de l&rsquo;axe ant\u00e9ropost\u00e9rieur<\/td>\n<\/tr>\n<\/table>\n<\/footer>\n","protected":false},"excerpt":{"rendered":"<p>La m\u00e9tam\u00e9rie des animaux Pr\u00e9c\u00e9dent\u00a0 \u00a0 \u00a0Suivant &nbsp; La m\u00e9tam\u00e9rie des animaux Sullyvan Andrade &lt;sullyvan.andrade@etu.univ-st-etienne.fr&gt; Cl\u00e9ment Bastin &lt;clement.bastin@etu.univ-st-etienne.fr&gt; Valentine Bonnel &lt;valentine.bonnel@etu.univ-st-etienne.fr&gt; Camille Juge &lt;camille.juge@etu.univ-st-etienne.fr&gt; Table des mati\u00e8res Introduction La m\u00e9tam\u00e9rie : une segmentation corporelle le long de l&rsquo;axe ant\u00e9ropost\u00e9rieur La m\u00e9tam\u00e9rie : des unit\u00e9s corporelles r\u00e9p\u00e9t\u00e9es le long de l&rsquo;axe ant\u00e9ropost\u00e9rieur, les m\u00e9tam\u00e8res La m\u00e9tam\u00e9rie [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":13169,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-13223","page","type-page","status-publish","hentry"],"aioseo_notices":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/pages\/13223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/comments?post=13223"}],"version-history":[{"count":24,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/pages\/13223\/revisions"}],"predecessor-version":[{"id":13932,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/pages\/13223\/revisions\/13932"}],"up":[{"embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/pages\/13169"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=13223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}