{"id":8071,"date":"2019-05-22T16:03:43","date_gmt":"2019-05-22T16:03:43","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/golgi_tendon_organ\/"},"modified":"2019-07-08T15:56:46","modified_gmt":"2019-07-08T15:56:46","slug":"golgi_tendon_organ","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/golgi_tendon_organ\/","title":{"rendered":"Golgi tendon organ"},"content":{"rendered":"<p>A proprioceptive receptor found embedded in muscle tendons consisting of encapsulated bundles (or fibrils) of collagen, which attach some 3 to 50 muscle fibers to tendons (see figure below). \u00a0Innervated by a single, large, rapidly conducting afferent fiber (afferent Ib fiber so labeled to distinguish it from the Ia primary afferent that supplies the muscle spindle), it is compressed and activated by any increase of the tendon&#8217;s tension, due either to active contraction or passive stretch of the corresponding muscle. \u00a0If activation is strong enough, it produces an action potential. \u00a0After entering the spinal cord, the sensory axon of the organ synapses on inhibitory interneurons that in turn synapse on motoneurons. \u00a0Such inhibition provides a smoothing signal as muscle contraction progresses. \u00a0Another discovery accredited to <a class=\"cc-route-enabled\" href=\"http:\/\/www.nobelprize.org\/nobel_prizes\/medicine\/laureates\/1906\/golgi-article.html\" target=\"_self\" rel=\"noopener noreferrer\" data-editable-link=\"http:\/\/www.nobelprize.org\/nobel_prizes\/medicine\/laureates\/1906\/golgi-article.html&amp;target=_self\">Camillo Golgi<\/a> (1844-1926) who gave the first comprehensive description in 1880.<\/p>\n<p class=\"\" style=\"text-align: center;\">\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"..\/wp-content\/uploads\/2019\/05\/image051.-golgi-tendon-organxjpg.jpg\" \/><\/p>\n<p class=\"\" style=\"text-align: center;\">Golgi tendon organ showing its afferent Ib fiber, its fixation in a tendon and its attachment to muscle fibers, as well as collagen fibrils that make it up.<\/p>\n<p class=\"\" style=\"text-align: left;\">See <a href=\"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/golgi_tendon_organ\/\">Action potential<\/a>, Axon, Collagen, Interneurons, Monosynaptic and polysynaptic reflex, Motoneuron, Muscle fiber, Muscle spindle, Proprioception, Reflex<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A proprioceptive receptor found embedded in muscle tendons consisting of encapsulated bundles (or fibrils) of collagen, which attach some 3 to 50 muscle fibers to tendons (see figure below). \u00a0Innervated by a single, large, rapidly conducting afferent fiber (afferent Ib fiber so labeled to distinguish it from the Ia primary afferent that supplies the muscle &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/golgi_tendon_organ\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Golgi tendon organ&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2],"class_list":["post-8071","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-glossary","entry"],"_links":{"self":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/comments?post=8071"}],"version-history":[{"count":3,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8071\/revisions"}],"predecessor-version":[{"id":9523,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8071\/revisions\/9523"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=8071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=8071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=8071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}