{"id":10501,"date":"2017-12-25T08:00:32","date_gmt":"2017-12-25T07:00:32","guid":{"rendered":"https:\/\/codexvirtualis.fr\/codex\/?p=10501"},"modified":"2020-08-19T16:12:40","modified_gmt":"2020-08-19T14:12:40","slug":"semaine-52-2017","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-52-2017","title":{"rendered":"Semaine 52-2017"},"content":{"rendered":"<h2>Une citation<\/h2>\n<p>\u00ab\u00a0Le mauvais go\u00fbt, c&rsquo;est de confondre la mode qui ne vit que de changements avec le beau durable.\u00a0\u00bb<\/p>\n<p>Stendhal<\/p>\n<p> &nbsp; <\/p>\n<h2>Une image<\/h2>\n<figure style=\"width: 300px\" class=\"wp-caption alignnone\"><a rel=\"lightbox noopener noreferrer\" href=\"\/documents\/images\/histologie_articles\/rein\/vertebres_25_rein_oiseau_general_03-WEB.jpg\" target=\"_blank\"><img decoding=\"async\" src=\"\/documents\/images\/histologie_articles\/rein\/vertebres_25_rein_oiseau_general_03-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 noopener noreferrer\" href=\"\/images\/albums\/delices-histologiques\/oiseau-adulte\/rein\/rein_oiseau_03_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 noopener noreferrer\" href=\"\/documents\/images\/histologie_articles\/rein\/vertebres_25_rein_oiseau_general_03_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 52-2017 r\u00e9sulte de l&rsquo;observation d&rsquo;une coupe histologique au grossissement x40 du microscope photonique.<\/p>\n<p>Elle appara\u00eet form\u00e9e d&rsquo;une juxtaposition d&rsquo;unit\u00e9s circulaires, ovales ou allong\u00e9es, pr\u00e9sentant une lumi\u00e8re centrale large ou \u00e9troite, ainsi que de structures circulaires massives, entour\u00e9es d&rsquo;un \u00e9troit espace clair.<\/p>\n<p>Une nette r\u00e9gionalisation est observ\u00e9e : une zone compacte environne deux ensembles peu denses, isol\u00e9s par de fines cloisons de <a href=\"\/codex\/glossaire\/glossaire-de-t-a-z#tissu-conjonctif\" target=\"_blank\" rel=\"noopener noreferrer\">tissu conjonctif<\/a>.<\/p>\n<p> &nbsp; <\/p>\n<p>La zone compacte est divis\u00e9e en lobules peu marqu\u00e9s.<\/p>\n<p>Elle comprend les structures circulaires massives et des unit\u00e9s creus\u00e9es d&rsquo;une lumi\u00e8re correspondant vraisemblablement \u00e0 des sections de tubules, transversales, obliques ou longitudinales.<\/p>\n<p>Le d\u00e9tail de son organisation est d\u00e9crit dans les articles des semaines <a href=\"\/codex\/semaine-47-2017\">47-2017<\/a>, <a href=\"\/codex\/semaine-48-2017\">48-2017<\/a> et <a href=\"\/codex\/semaine-49-2017\">49-2017<\/a> de Codex virtualis.<\/p>\n<p>Il s&rsquo;agit des lobules corticaux de rein d&rsquo;Oiseau, dans lesquels sont localis\u00e9s les corpuscules de Malpighi, constitu\u00e9s d&rsquo;un glom\u00e9rule, bouquet de vaisseaux sanguins <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#capillaire\" target=\"_blank\" rel=\"noopener noreferrer\">capillaires<\/a>, et d&rsquo;une capsule de Bowman sph\u00e9rique, premi\u00e8re portion du n\u00e9phron, unit\u00e9 structurale et fonctionnelle du rein de Vert\u00e9br\u00e9s. Les tubules proximaux et distaux du n\u00e9phron y courent \u00e9galement.<\/p>\n<p> &nbsp; <\/p>\n<p>Les ensembles centraux peu denses sont exclusivement form\u00e9s de sections de tubules.<\/p>\n<p>Ce sont des c\u00f4nes m\u00e9dullaires ayant fait l&rsquo;objet de l&rsquo;article de la semaine <a href=\"\/codex\/semaine-50-2017\">50-2017<\/a>. Ils comportent des tubules interm\u00e9diaires des n\u00e9phrons constituant des anses de Henl\u00e9, ainsi que des tubes collecteurs.<\/p>\n<p> &nbsp; <\/p>\n<p>Les n\u00e9phrons des reins des Vert\u00e9br\u00e9s sont responsables de la production de l&rsquo;urine.<\/p>\n<p>Le sang circulant dans les vaisseaux sanguins capillaires du glom\u00e9rule est filtr\u00e9. Ce processus donne naissance \u00e0 l&rsquo;urine primitive, recueillie dans la capsule de Bowman.<\/p>\n<p>Elle est ensuite prise en charge par le tubule urinaire qui assure la modification de sa composition par le jeu de r\u00e9absorptions et de s\u00e9cr\u00e9tions s\u00e9lectives. Elle est ainsi progressivement transform\u00e9e en urine d\u00e9finitive.<\/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>Beaumont A., Lahlou B., Mayer-Gostan N., Payan P., 2000 &#8211; Osmor\u00e9gulation et excr\u00e9tion. Belin Sciences sup, 256p. Paris<\/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\u00a0Le mauvais go\u00fbt, c&rsquo;est de confondre la mode qui ne vit que de changements avec le beau durable.\u00a0\u00bb Stendhal &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 52-2017 r\u00e9sulte de l&rsquo;observation d&rsquo;une coupe histologique au grossissement x40 du microscope photonique. Elle appara\u00eet [&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":[28,14,26,22],"class_list":["post-10501","post","type-post","status-publish","format-standard","hentry","category-a-la-une","tag-biologie","tag-histologie","tag-oiseau","tag-physiologie"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/10501","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=10501"}],"version-history":[{"count":18,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/10501\/revisions"}],"predecessor-version":[{"id":13027,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/10501\/revisions\/13027"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=10501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/categories?post=10501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/tags?post=10501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}