{"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\/nl\/glossary\/lung-lobes\/","title":{"rendered":"Longkwabben"},"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\" 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