{"id":10919,"date":"2018-04-30T08:00:24","date_gmt":"2018-04-30T06:00:24","guid":{"rendered":"https:\/\/codexvirtualis.fr\/codex\/?p=10919"},"modified":"2018-04-27T18:48:27","modified_gmt":"2018-04-27T16:48:27","slug":"semaine-18-2018","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-18-2018","title":{"rendered":"Semaine 18-2018"},"content":{"rendered":"<h2>Une citation<\/h2>\n<p>\u00ab\u00a0L&rsquo;homme qui t&rsquo;insulte n&rsquo;insulte que l&rsquo;id\u00e9e qu&rsquo;il a de toi &#8211; c&rsquo;est-\u00e0-dire lui m\u00eame.\u00a0\u00bb<\/p>\n<p>Auguste, comte de Villiers de l\u2019Isle-Adam<\/p>\n<p> &nbsp; <\/p>\n<h2>Une image<\/h2>\n<figure style=\"width: 300px\" class=\"wp-caption alignnone\"><a rel=\"lightbox\" href=\"\/documents\/images\/histologie_articles\/systeme_nerveux\/nerf_lombric_03_cl-WEB.jpg\" target=\"_blank\"><img decoding=\"async\" src=\"\/documents\/images\/histologie_articles\/systeme_nerveux\/nerf_lombric_03_cl-WEB.jpg\" width=\"300\" alt=\"Quel est cet organe ?\" class=\"size-medium\" \/><\/a><figcaption class=\"wp-caption-text\">Quel est cet organe ?<\/figcaption><\/figure>\n<p> &nbsp; <\/p>\n<p style=\"text-align: right;\"><a rel=\"lightbox\" href=\"http:\/\/codexvirtualis.fr\/images\/albums\/delices-histologiques\/annelide-adulte\/systeme-nerveux\/nerf_03_cl_zp.jpg\" target=\"_blank\">Voir l&rsquo;image de plus grande taille<\/a><\/p>\n<p> &nbsp; <\/p>\n<p style=\"text-align: right;\"><a rel=\"lightbox\" href=\"\/documents\/images\/histologie_articles\/systeme_nerveux\/nerf_lombric_03_cl_legende.jpg\" target=\"_blank\">Voir l&rsquo;image l\u00e9gend\u00e9e<\/a><\/p>\n<p> &nbsp; <\/p>\n<p>L&rsquo;image de la semaine 18-2018 r\u00e9sulte de l&rsquo;observation d&rsquo;une coupe histologique \u00e0 l&rsquo;objectif x40 du microscope photonique.<\/p>\n<p>Elle comporte une structure fibreuse oblongue, d\u00e9limit\u00e9e par une fine tunique autour de laquelle sont dispos\u00e9s des massifs uniform\u00e9ment color\u00e9s et des unit\u00e9s fibreuses.<\/p>\n<p> &nbsp; <\/p>\n<p>La structure oblongue est principalement constitu\u00e9e de fibres, mais de petites unit\u00e9s circulaires et h\u00e9t\u00e9rog\u00e8nes y sont dispers\u00e9es.<br \/>\nLes premi\u00e8res correspondent \u00e0 de fins prolongements cellulaires et les secondes \u00e0 des noyaux entour\u00e9s de cytoplasme.<\/p>\n<p>Cette organisation est caract\u00e9ristique des certains organes nerveux. En l&rsquo;occurrence, il s&rsquo;agit d&rsquo;une coupe longitudinale de nerf, form\u00e9 de fibres nerveuses, prolongements du corps cellulaire des neurones, et de cellules d&rsquo;accompagnement, pouvant \u00eatre qualifi\u00e9es de gliales.<\/p>\n<p>L&rsquo;ensemble est d\u00e9limit\u00e9 par une fine tunique fibreuse. Il s&rsquo;agit d&rsquo;une enveloppe de <a href=\"\/codex\/glossaire\/glossaire-de-t-a-z#tissu-conjonctif\" target=\"_blank\">tissu conjonctif fibreux<\/a>, dans laquelle courent des vaisseaux sanguins et dont la paroi est reli\u00e9e \u00e0 des fibres musculaires.<\/p>\n<p> &nbsp; <\/p>\n<p>L&rsquo;absence de cellules dans la lumi\u00e8re des vaisseaux sanguins, ainsi que le vaste espace liquidien entourant les organes, laissent \u00e0 penser que la coupe a \u00e9t\u00e9 confectionn\u00e9e dans un organisme non Vert\u00e9br\u00e9s \u00e0 vaste cavit\u00e9 corpopelle.<br \/>\nEn l&rsquo;occurrence, il s&rsquo;agit d&rsquo;un Lombric.<\/p>\n<p> &nbsp; <\/p>\n<p>L&rsquo;organisation du syst\u00e8me nerveux central du Lombric a fait l&rsquo;objet des articles <a href=\"\/codex\/semaine-15-2018\">15-2018<\/a>, <a href=\"\/codex\/semaine-16-2018\">16-2018<\/a> et <a href=\"\/codex\/semaine-17-2018\">17-2018<\/a> de Codex virtualis, avec la description des centres nerveux dorsaux ant\u00e9rieurs, constituant les ganglions c\u00e9r\u00e9bro\u00efdes.<\/p>\n<p> &nbsp; <\/p>\n<p>Pour en savoir plus, consulter :<\/p>\n<p><span style=\"color: #999999;\">&bull; <\/span>les pages <a href=\"\/codex\/de-lorganisation-interne\/premiers-pas-histologiques\">Premiers pas histologiques<\/a> de Codex virtualis (adresse : http:\/\/codexvirtualis.fr\/codex\/de-lorganisation-interne\/premiers-pas-histologiques)<\/p>\n<p><span style=\"color: #999999;\">&bull; <\/span> Burkitt H.G., Young B., Heath J.W., 1993 \u2013 Histologie fonctionnelle Wheater. Arnette, 408p. Paris<\/p>\n<p><span style=\"color: #999999;\">&bull; <\/span>Heusser S., Dupuy H.G., 2015 \u2013 Atlas biologie animale. Dunod, 220p. Paris<\/p>\n<p> &nbsp; <\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>Une citation \u00ab\u00a0L&rsquo;homme qui t&rsquo;insulte n&rsquo;insulte que l&rsquo;id\u00e9e qu&rsquo;il a de toi &#8211; c&rsquo;est-\u00e0-dire lui m\u00eame.\u00a0\u00bb Auguste, comte de Villiers de l\u2019Isle-Adam &nbsp; Une image &nbsp; Voir l&rsquo;image de plus grande taille &nbsp; Voir l&rsquo;image l\u00e9gend\u00e9e &nbsp; L&rsquo;image de la semaine 18-2018 r\u00e9sulte de l&rsquo;observation d&rsquo;une coupe histologique \u00e0 l&rsquo;objectif x40 du microscope photonique. Elle [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","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":""},"categories":[1],"tags":[47,28,23,22],"class_list":["post-10919","post","type-post","status-publish","format-standard","hentry","category-a-la-une","tag-annelide","tag-biologie","tag-observation","tag-physiologie"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/10919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/types\/post"}],"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=10919"}],"version-history":[{"count":18,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/10919\/revisions"}],"predecessor-version":[{"id":10926,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/10919\/revisions\/10926"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=10919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/categories?post=10919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/tags?post=10919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}