{"id":369,"date":"2017-11-13T09:33:25","date_gmt":"2017-11-13T09:33:25","guid":{"rendered":"https:\/\/www.therespiratorysystem.com\/?page_id=369"},"modified":"2022-09-16T16:33:04","modified_gmt":"2022-09-16T16:33:04","slug":"lung-lobes","status":"publish","type":"page","link":"https:\/\/www.therespiratorysystem.com\/fr\/glossary\/lung-lobes\/","title":{"rendered":"Lobes pulmonaires"},"content":{"rendered":"<h2>What are the Lobes of the Lungs<\/h2>\n<p>The two human lungs are divided into multiple smaller sections by fissures. These sections are called the lobes of the lungs <sup>[1]<\/sup>.<\/p>\n<h2>How Many Lobes are There in the Lungs<\/h2>\n<p>The number of lobes varies between the right and left lungs in a normal human being:<\/p>\n<h3>How Many Lobes Does the Right Lung Have<\/h3>\n<p>The right lung has three lobes, namely, the <strong>superior <\/strong>(upper), <strong>middle<\/strong> and <strong>inferior<\/strong> (lower) lobes <sup>[2]<\/sup>.<\/p>\n<h3>How Many Lobes Does the Left Lung Have<\/h3>\n<p>Unlike the right lung, there are only two lobes in the left lung: the <strong>superior<\/strong> (upper) and <strong>inferior<\/strong> (lower) lung lobes <sup>[3]<\/sup>.<\/p>\n<p><strong>Why does the right lung have three lobes and the left lung has two<\/strong><\/p>\n<p>The left lung is a little smaller than the right lung because it has to make space for the heart (the cardiac notch) in the left side of the thoracic cavity. As a result, the right lung is larger, having three lobes, while the left one only has two <sup>[4]<\/sup>.<\/p>\n<h2>Lung Lobe Anatomy<\/h2>\n<p>The lobes are further separated into smaller segments, with the right lung having 10 segments and the left lung having 9 <sup>[2]<\/sup>.<\/p>\n<div id=\"attachment_379\" style=\"width: 615px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.therespiratorysystem.com\/wp-content\/uploads\/2017\/11\/Lung-Lobes.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-379\" class=\" wp-image-379\" src=\"https:\/\/www.therespiratorysystem.com\/wp-content\/uploads\/2017\/11\/Lung-Lobes.jpg\" alt=\"\" width=\"605\" height=\"469\" \/><\/a><p id=\"caption-attachment-379\" class=\"wp-caption-text\">Lung Lobes<\/p><\/div>\n<h3>Segments of the Lobes<\/h3>\n<h4>In the Right Lung<\/h4>\n<p><em><strong>Right superior (upper) lobe<\/strong><\/em><\/p>\n<ul>\n<li>Apical segment<\/li>\n<li>Posterior segment<\/li>\n<li>Anterior segment<\/li>\n<\/ul>\n<p><em><strong>(Right) middle lobe<\/strong><\/em><\/p>\n<ul>\n<li>Lateral segment<\/li>\n<li>Medial segment<\/li>\n<\/ul>\n<p><em><strong>Right inferior (lower) lobe<\/strong><\/em><\/p>\n<ul>\n<li>Superior segment<\/li>\n<li>Medial basal segment<\/li>\n<li>Anterior basal segment<\/li>\n<li>Lateral basal segment<\/li>\n<li>Posterior basal segment\u00a0<sup>[5]<\/sup><\/li>\n<\/ul>\n<h4>In the Left Lung<\/h4>\n<p>Although the left lung has only two lobes, there is an evident projection from the upper lobe, referred to as lingula which has two segments <sup>[6]<\/sup>.<\/p>\n<p><em><strong>Left superior (upper) lobe<\/strong><\/em><\/p>\n<ul>\n<li>Apicoposterior segment<\/li>\n<li>Anterior segment<\/li>\n<\/ul>\n<p><em>Lingula:<\/em><\/p>\n<ul>\n<li>Superior lingular segment<\/li>\n<li>Inferior lingular segment<\/li>\n<\/ul>\n<p><em><strong>Left inferior (lower) lobe<\/strong><\/em><\/p>\n<ul>\n<li>Superior segment<\/li>\n<li>Anteromedial segment<\/li>\n<li>Lateral segment<\/li>\n<li>Posterior segment <sup>[7]<\/sup><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>The lingula serves as the equivalent to the right lung\u2019s middle lobe in the left lung <sup>[8]<\/sup>.<\/p>\n<h3>Lung Fissures<\/h3>\n<p><strong>Oblique Fissures:<\/strong> Separates the superior or upper lobe from the lower lobes of both lungs <sup>[9]<\/sup>.<\/p>\n<p><strong>Horizontal Fissure:<\/strong> Present only in the right lung, separates the middle lobe from the upper and lower right lung lobes <sup>[1]<\/sup>.<\/p>\n<h3>Air Supply to the Lung Lobes<\/h3>\n<p>After entering the lungs, the right bronchus divides into three lobar bronchi, while the left bronchus divides into two lobar bronchi <sup>[10]<\/sup> \u2013 one for each of the lung lobes. These lobar bronchi then divide into tertiary or segmental bronchi. There are 10 tertiary bronchi in the right lung and 9 in the left, so each of the lung segments is supplied by one of these bronchial branches <sup>[11]<\/sup>. The tertiary bronchi further branch into bronchioles to finally lead the inhaled air into the alveoli <sup>[12]<\/sup>.<\/p>\n<h2>Function of the Lobes of the Lungs<\/h2>\n<p>All the lung lobes have the same primary function \u2013 receiving oxygen-rich air as it travels down the airways and housing the oxygen-carbon dioxide exchange in the alveoli <sup>[13]<\/sup>.<\/p>\n<p>It is possible to remove one of the lobes surgically (lobectomy) in a life-threatening situation, like in a severe case of tuberculosis or lung cancer. This does affect the lung\u2019s capacity, but in most cases, the person is still able to lead a normal lifestyle <sup>[14]<\/sup>.<\/p>\n<div class=\"accordion\">\n\t<h3 class=\"panel-title\">References <\/h3>\n<div class=\"panel-content\"><ol><\/p>\n<ol>\n<li><a href=\"http:\/\/teachmeanatomy.info\/thorax\/organs\/lungs\/\">http:\/\/teachmeanatomy.info\/thorax\/organs\/lungs\/<\/a><\/li>\n<li><a href=\"https:\/\/www.kenhub.com\/en\/library\/anatomy\/the-lung\">https:\/\/www.kenhub.com\/en\/library\/anatomy\/the-lung<\/a><\/li>\n<li><a href=\"http:\/\/www.gpnotebook.co.uk\/simplepage.cfm?ID=1120927803\">http:\/\/www.gpnotebook.co.uk\/simplepage.cfm?ID=1120927803<\/a><\/li>\n<li><a href=\"https:\/\/courses.lumenlearning.com\/boundless-ap\/chapter\/the-lungs-and-pleurae\/\">https:\/\/courses.lumenlearning.com\/boundless-ap\/chapter\/the-lungs-and-pleurae\/<\/a><\/li>\n<li><a href=\"https:\/\/www.imaios.com\/en\/e-Cases\/Channels\/Radiology\/Radiological-classifications-commonly-used-in-medical-imaging\/Lung-anatomy\">https:\/\/www.imaios.com\/en\/e-Cases\/Channels\/Radiology\/Radiological-classifications-commonly-used-in-medical-imaging\/Lung-anatomy<\/a><\/li>\n<li><a href=\"http:\/\/www.innerbody.com\/image_cardov\/card11-new2.html\">http:\/\/www.innerbody.com\/image_cardov\/card11-new2.html<\/a><\/li>\n<li>https:\/\/www.drugs.com\/dict\/superior-lobe-of-right-left-lung.html<\/li>\n<li><a href=\"https:\/\/radiopaedia.org\/articles\/bronchopulmonary-segmental-anatomy-1\">https:\/\/radiopaedia.org\/articles\/bronchopulmonary-segmental-anatomy-1<\/a><\/li>\n<li><a href=\"http:\/\/www.gpnotebook.co.uk\/simplepage.cfm?ID=1107689531\">http:\/\/www.gpnotebook.co.uk\/simplepage.cfm?ID=1107689531<\/a><\/li>\n<li><a href=\"http:\/\/www.gpnotebook.co.uk\/simplepage.cfm?ID=825557051\">http:\/\/www.gpnotebook.co.uk\/simplepage.cfm?ID=825557051<\/a><\/li>\n<li><a href=\"http:\/\/www.gpnotebook.co.uk\/simplepage.cfm?ID=-1536491460\">http:\/\/www.gpnotebook.co.uk\/simplepage.cfm?ID=-1536491460<\/a><\/li>\n<li><a href=\"http:\/\/www.innerbody.com\/anatomy\/respiratory\/tertiary-bronchi\">http:\/\/www.innerbody.com\/anatomy\/respiratory\/tertiary-bronchi<\/a><\/li>\n<li><a href=\"https:\/\/www.healthline.com\/human-body-maps\/middle-lobe-lung\">https:\/\/www.healthline.com\/human-body-maps\/middle-lobe-lung<\/a><\/li>\n<li><a href=\"https:\/\/www.hopkinsmedicine.org\/healthlibrary\/test_procedures\/pulmonary\/lobectomy_92,P07749\">https:\/\/www.hopkinsmedicine.org\/healthlibrary\/test_procedures\/pulmonary\/lobectomy_92,P07749<\/a><\/li>\n<\/ol>\n<p><\/ol>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>What are the Lobes of the Lungs The two human lungs are divided into multiple smaller sections by fissures. These sections are called the lobes of the lungs [1]. How Many Lobes are There in the Lungs The number of lobes varies between the right and left lungs in a normal human being: How Many [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":379,"parent":367,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-369","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lung Lobes: Definition, Anatomy, Functions, Picture<\/title>\n<meta name=\"description\" content=\"What are lung lobes definition, how many lobes does the right and left lung have, anatomy and air supply in each lung lobe, diagram upper, middle lower lobes\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.therespiratorysystem.com\/fr\/glossary\/lung-lobes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lung Lobes: Definition, Anatomy, Functions, Picture\" \/>\n<meta property=\"og:description\" content=\"What are lung lobes definition, how many lobes does the right and left lung have, anatomy and air supply in each lung lobe, diagram upper, middle lower lobes\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.therespiratorysystem.com\/fr\/glossary\/lung-lobes\/\" \/>\n<meta property=\"og:site_name\" content=\"The Respiratory System\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-16T16:33:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.therespiratorysystem.com\/wp-content\/uploads\/2017\/11\/Lung-Lobes.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"570\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/lung-lobes\\\/\",\"url\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/lung-lobes\\\/\",\"name\":\"Lung Lobes: Definition, Anatomy, Functions, Picture\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/lung-lobes\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/lung-lobes\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/Lung-Lobes.jpg\",\"datePublished\":\"2017-11-13T09:33:25+00:00\",\"dateModified\":\"2022-09-16T16:33:04+00:00\",\"description\":\"What are lung lobes definition, how many lobes does the right and left lung have, anatomy and air supply in each lung lobe, diagram upper, middle lower lobes\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/lung-lobes\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/lung-lobes\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/lung-lobes\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/Lung-Lobes.jpg\",\"contentUrl\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/Lung-Lobes.jpg\",\"width\":800,\"height\":570,\"caption\":\"Lung Lobes\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/lung-lobes\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Glossary\",\"item\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/glossary\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Lung Lobes\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/#website\",\"url\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/\",\"name\":\"The Respiratory System\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.therespiratorysystem.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Lobes pulmonaires : D\u00e9finition, anatomie, fonctions, image","description":"D\u00e9finition de ce que sont les lobes pulmonaires, combien de lobes ont le poumon droit et le poumon gauche, anatomie et alimentation en air dans chaque lobe pulmonaire, diagramme des lobes sup\u00e9rieurs, moyens et inf\u00e9rieurs.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.therespiratorysystem.com\/fr\/glossary\/lung-lobes\/","og_locale":"fr_FR","og_type":"article","og_title":"Lung Lobes: Definition, Anatomy, Functions, Picture","og_description":"What are lung lobes definition, how many lobes does the right and left lung have, anatomy and air supply in each lung lobe, diagram upper, middle lower lobes","og_url":"https:\/\/www.therespiratorysystem.com\/fr\/glossary\/lung-lobes\/","og_site_name":"The Respiratory System","article_modified_time":"2022-09-16T16:33:04+00:00","og_image":[{"width":800,"height":570,"url":"https:\/\/www.therespiratorysystem.com\/wp-content\/uploads\/2017\/11\/Lung-Lobes.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.therespiratorysystem.com\/glossary\/lung-lobes\/","url":"https:\/\/www.therespiratorysystem.com\/glossary\/lung-lobes\/","name":"Lobes pulmonaires : D\u00e9finition, anatomie, fonctions, image","isPartOf":{"@id":"https:\/\/www.therespiratorysystem.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.therespiratorysystem.com\/glossary\/lung-lobes\/#primaryimage"},"image":{"@id":"https:\/\/www.therespiratorysystem.com\/glossary\/lung-lobes\/#primaryimage"},"thumbnailUrl":"https:\/\/www.therespiratorysystem.com\/wp-content\/uploads\/2017\/11\/Lung-Lobes.jpg","datePublished":"2017-11-13T09:33:25+00:00","dateModified":"2022-09-16T16:33:04+00:00","description":"D\u00e9finition de ce que sont les lobes pulmonaires, combien de lobes ont le poumon droit et le poumon gauche, anatomie et alimentation en air dans chaque lobe pulmonaire, diagramme des lobes sup\u00e9rieurs, moyens et inf\u00e9rieurs.","breadcrumb":{"@id":"https:\/\/www.therespiratorysystem.com\/glossary\/lung-lobes\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.therespiratorysystem.com\/glossary\/lung-lobes\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.therespiratorysystem.com\/glossary\/lung-lobes\/#primaryimage","url":"https:\/\/www.therespiratorysystem.com\/wp-content\/uploads\/2017\/11\/Lung-Lobes.jpg","contentUrl":"https:\/\/www.therespiratorysystem.com\/wp-content\/uploads\/2017\/11\/Lung-Lobes.jpg","width":800,"height":570,"caption":"Lung Lobes"},{"@type":"BreadcrumbList","@id":"https:\/\/www.therespiratorysystem.com\/glossary\/lung-lobes\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.therespiratorysystem.com\/"},{"@type":"ListItem","position":2,"name":"Glossary","item":"https:\/\/www.therespiratorysystem.com\/glossary\/"},{"@type":"ListItem","position":3,"name":"Lung Lobes"}]},{"@type":"WebSite","@id":"https:\/\/www.therespiratorysystem.com\/#website","url":"https:\/\/www.therespiratorysystem.com\/","name":"Le syst\u00e8me respiratoire","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.therespiratorysystem.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/pages\/369","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/comments?post=369"}],"version-history":[{"count":9,"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/pages\/369\/revisions"}],"predecessor-version":[{"id":566,"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/pages\/369\/revisions\/566"}],"up":[{"embeddable":true,"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/pages\/367"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/media\/379"}],"wp:attachment":[{"href":"https:\/\/www.therespiratorysystem.com\/fr\/wp-json\/wp\/v2\/media?parent=369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}