{"id":205800,"date":"2025-03-25T18:13:06","date_gmt":"2025-03-25T18:13:06","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=205800"},"modified":"2025-03-25T18:13:08","modified_gmt":"2025-03-25T18:13:08","slug":"brunner-glands-are-characteristic-of-the","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/25\/brunner-glands-are-characteristic-of-the\/","title":{"rendered":"Brunner glands are characteristic of the"},"content":{"rendered":"\n

Brunner glands are characteristic of the<\/p>\n\n\n\n

A) stomach.<\/p>\n\n\n\n

C) jejunum.<\/p>\n\n\n\n

B) duodenum.<\/p>\n\n\n\n

E) colon.<\/p>\n\n\n\n

D) ileum.<\/p>\n\n\n\n

The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n

The correct answer is:<\/p>\n\n\n\n

B) Duodenum<\/strong><\/p>\n\n\n\n

Explanation:<\/h3>\n\n\n\n

Brunner’s glands are a unique and characteristic feature of the duodenum<\/strong>, specifically found in the submucosa<\/strong> of the first part of the small intestine. These branched, tubular glands<\/strong> secrete an alkaline mucus<\/strong> rich in bicarbonate, which plays a crucial role in protecting the duodenal mucosa from the acidic chyme coming from the stomach.<\/p>\n\n\n\n

Functions of Brunner’s Glands:<\/strong><\/h4>\n\n\n\n
    \n
  1. Neutralizing Gastric Acid<\/strong> \u2013 The alkaline secretion helps in buffering the acidic contents that enter the duodenum from the stomach, preventing damage to the intestinal lining.<\/li>\n\n\n\n
  2. Providing Optimal pH for Enzymes<\/strong> \u2013 The secretion helps create a neutral pH environment, which is essential for the activation of pancreatic enzymes necessary for digestion.<\/li>\n\n\n\n
  3. Lubrication<\/strong> \u2013 The mucus secreted by Brunner’s glands provides lubrication to facilitate the smooth movement of food.<\/li>\n\n\n\n
  4. Antimicrobial Defense<\/strong> \u2013 Some secretions contain antimicrobial peptides that help prevent infections.<\/li>\n<\/ol>\n\n\n\n

    Histological Identification:<\/strong><\/h4>\n\n\n\n

    Brunner\u2019s glands are located in the submucosa<\/strong> of the duodenum, distinguishing them from other glands found in the gastrointestinal tract. They are highly branched and tubular<\/strong> and secrete directly into the crypts of Lieberk\u00fchn.<\/p>\n\n\n\n

    Comparison with Other Intestinal Sections:<\/strong><\/h4>\n\n\n\n
      \n
    • Stomach<\/strong> \u2013 Contains gastric glands but lacks Brunner\u2019s glands.<\/li>\n\n\n\n
    • Jejunum<\/strong> \u2013 Does not have Brunner\u2019s glands; it mainly contains villi and plicae circulares.<\/li>\n\n\n\n
    • Ileum<\/strong> \u2013 Contains Peyer\u2019s patches (lymphoid tissue) but not Brunner\u2019s glands.<\/li>\n\n\n\n
    • Colon<\/strong> \u2013 Lacks Brunner\u2019s glands; primarily has goblet cells for mucus secretion.<\/li>\n<\/ul>\n\n\n\n

      This makes Brunner\u2019s glands a defining histological feature of the duodenum<\/strong>.<\/p>\n\n\n\n

      \"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

      Brunner glands are characteristic of the A) stomach. C) jejunum. B) duodenum. E) colon. D) ileum. The correct answer and explanation is : The correct answer is: B) Duodenum Explanation: Brunner’s glands are a unique and characteristic feature of the duodenum, specifically found in the submucosa of the first part of the small intestine. These […]<\/p>\n","protected":false},"author":1,"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":"","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":[25],"tags":[],"class_list":["post-205800","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/205800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=205800"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/205800\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=205800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=205800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=205800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}