{"id":9738,"date":"2017-04-17T08:00:10","date_gmt":"2017-04-17T06:00:10","guid":{"rendered":"http:\/\/codexvirtualis.fr\/codex\/?p=9738"},"modified":"2017-04-08T17:29:03","modified_gmt":"2017-04-08T15:29:03","slug":"semaine-16-2017","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-16-2017","title":{"rendered":"Semaine 16-2017"},"content":{"rendered":"<h2>Une citation<\/h2>\n<p>\u00ab\u00a0Soyez r\u00e9aliste\u00a0: demandez l&rsquo;impossible.\u00a0\u00bb<\/p>\n<p>E. Che Guevara<\/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\/rein\/rein_corpuscule_09_vertebres_24-WEB.jpg\" target=\"_blank\"><img decoding=\"async\" src=\"\/documents\/images\/histologie_articles\/rein\/rein_corpuscule_09_vertebres_24-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=\"\/images\/albums\/delices-histologiques\/mammifere-adulte\/rein\/rein_corpuscule_09_vertebres_24_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\/rein\/rein_corpuscule_09_vertebres_24_legende.jpg\" target=\"_blank\">Voir l&rsquo;image l\u00e9gend\u00e9e<\/a><\/p>\n<p> &nbsp; <\/p>\n<p>L&rsquo;image propos\u00e9e correspond \u00e0 une photographie de coupe histologique observ\u00e9e \u00e0 l&rsquo;objectif x40 du microscope photonique.<\/p>\n<p>De m\u00eame que l&rsquo;image de la <a href=\"\/codex\/semaine-15-2017\">semaine 15-2017<\/a>, elle repr\u00e9sente une section de cortex de rein de Rat avec au centre un corpuscule de Malpighi. <\/p>\n<p>Une vue du <a href=\"\/images\/index.php?album=delices-histologiques\/mammifere-adulte\/rein\" target=\"_blank\">cortex de rein de Rat<\/a> est propos\u00e9e dans la rubrique Mammif\u00e8re adulte de l&rsquo;album D\u00e9lices histologiques de Codex virtualis.<\/p>\n<p> &nbsp; <\/p>\n<p>Le corpuscule de Malpighi est form\u00e9 par l&rsquo;association d&rsquo;une capsule de Bowman et d&rsquo;un glom\u00e9rule.<\/p>\n<p>La capsule de Bowman est, avec le tubule urinaire qui lui fait suite, une structure constitutive du n\u00e9phron, unit\u00e9 fonctionnelle du rein des Vert\u00e9br\u00e9s responsable de la production de l&rsquo;urine.<\/p>\n<p>Le glom\u00e9rule est un bouquet de vaisseaux sanguins <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#capillaire\" target=\"_blank\">capillaires<\/a> ramifi\u00e9s, \u00e9manant d&rsquo;une <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#arteriole\" target=\"_blank\">art\u00e9riole<\/a> aff\u00e9rente et convergeant en une art\u00e9riole eff\u00e9rente. Le glom\u00e9rule est un syst\u00e8me admirable, les vaisseaux sanguins capillaires qui le constituent \u00e9tant intercal\u00e9s entre deux art\u00e9rioles.<\/p>\n<p> &nbsp; <\/p>\n<p>La capsule de Bowman appara\u00eet form\u00e9e d&rsquo;un <a href=\"\/codex\/glossaire\/glossaire-de-d-a-h#epithelium\" target=\"_blank\">\u00e9pith\u00e9lium<\/a> simple et pavimenteux p\u00e9riph\u00e9rique, entour\u00e9 de <a href=\"\/codex\/glossaire\/glossaire-de-t-a-z#tissu-conjonctif\" target=\"_blank\">tissu conjonctif<\/a> fibreux, et d&rsquo;un \u00e9pith\u00e9lium enserrant les vaisseaux sanguins capillaires du glom\u00e9rule.<\/p>\n<p>Appel\u00e9s respectivement feuillet pari\u00e9tal et feuillet visc\u00e9ral, ils d\u00e9limitent un espace, l&rsquo;espace de Bowman.<\/p>\n<p>Les vaisseaux sanguins capillaires sont d\u00e9limit\u00e9s par un <a href=\"\/codex\/glossaire\/glossaire-de-d-a-h#endothelium\" target=\"_blank\">endoth\u00e9lium<\/a>, \u00e9pith\u00e9lium simple et pavimenteux, et contiennent des h\u00e9maties.<\/p>\n<p> &nbsp; <\/p>\n<p>L&rsquo;art\u00e9riole aff\u00e9rente p\u00e9n\u00e8tre dans le corpuscule de Malpighi en un point qui est \u00e9galement le point d&rsquo;\u00e9mergence de l&rsquo;art\u00e9riole eff\u00e9rente.<br \/>\nIl est d\u00e9sign\u00e9 comme p\u00f4le vasculaire du corpuscule de Malpighi.<\/p>\n<p>\u00c0 l&rsquo;oppos\u00e9, la capsule de Bowman est en continuit\u00e9 avec le tubule urinaire. La r\u00e9gion de transition est appel\u00e9e p\u00f4le urinaire.<\/p>\n<p> &nbsp; <\/p>\n<p>Le corpuscule de Malpighi est une structure au sein de laquelle l&rsquo;appareil circulatoire et l&rsquo;appareil excr\u00e9teur sont \u00e9troitement associ\u00e9s.<\/p>\n<p>L&rsquo;urine y est produite par ultrafiltration du sang \u00e0 travers une barri\u00e8re de filtration form\u00e9e de la paroi des vaisseaux sanguins capillaires et le feuillet visc\u00e9ral de la capsule de Bowman.<br \/>\nLa filtration est due \u00e0 la diff\u00e9rence de pression existant entre le sang des vaisseaux sanguins capillaires et l&rsquo;urine, dite primitive, de l&rsquo;espace de Bowman.<\/p>\n<p>L&rsquo;urine ainsi produite est prise en charge par le tubule urinaire \u00e9mergeant au p\u00f4le urinaire du corpuscule de Malpighi, l&rsquo;espace de Bowman et la lumi\u00e8re du tubule \u00e9tant en continuit\u00e9. <\/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\u00a0Soyez r\u00e9aliste\u00a0: demandez l&rsquo;impossible.\u00a0\u00bb E. Che Guevara &nbsp; Une image &nbsp; Voir l&rsquo;image de plus grande taille &nbsp; Voir l&rsquo;image l\u00e9gend\u00e9e &nbsp; L&rsquo;image propos\u00e9e correspond \u00e0 une photographie de coupe histologique observ\u00e9e \u00e0 l&rsquo;objectif x40 du microscope photonique. De m\u00eame que l&rsquo;image de la semaine 15-2017, elle repr\u00e9sente une section de cortex de [&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":[14,29,23,22],"class_list":["post-9738","post","type-post","status-publish","format-standard","hentry","category-a-la-une","tag-histologie","tag-mammifere","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\/9738","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=9738"}],"version-history":[{"count":17,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/9738\/revisions"}],"predecessor-version":[{"id":9803,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/9738\/revisions\/9803"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=9738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/categories?post=9738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/tags?post=9738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}