{"id":1152,"date":"2015-10-06T17:51:40","date_gmt":"2015-10-07T00:51:40","guid":{"rendered":"http:\/\/anatomycorner.com\/main\/?p=1152"},"modified":"2015-10-09T04:45:17","modified_gmt":"2015-10-09T11:45:17","slug":"atlas-and-axis","status":"publish","type":"post","link":"https:\/\/anatomycorner.com\/main\/2015\/10\/06\/atlas-and-axis\/","title":{"rendered":"Atlas and Axis"},"content":{"rendered":"<p>The first two cervical vertebrae \u00a0are the atlas (C1) \u00a0and the axis (C2.)<\/p>\n<p>The atlas is named for the character from Greek Mythology who supported the globe, though in anatomy, the head is the globe. \u00a0In fact, the articular facets of the atlas align perfectly with the occipital condyles on the skull.<\/p>\n<p>The axis has a protrusion called the odontoid process, also called the &#8220;dens&#8221; after its shape that resembles a tooth. \u00a0The dens articulates with the atlas and creates a pivot join which allows the head to turn left and right.<\/p>\n<p>Unlike the other vertebrae, the atlas does not have a body, though it does have a large central vertebral foramen through which the spinal cord passes. \u00a0<a href=\"http:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis.jpg\"><br \/>\n<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1154\" src=\"http:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis-labeled-500x267.jpg\" alt=\"atlas-axis-labeled\" width=\"500\" height=\"267\" srcset=\"https:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis-labeled-500x267.jpg 500w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis-labeled-250x134.jpg 250w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis-labeled-768x410.jpg 768w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis-labeled.jpg 842w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><a href=\"http:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1155\" src=\"http:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis1-500x261.jpg\" alt=\"unlabeled\" width=\"500\" height=\"261\" srcset=\"https:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis1-500x261.jpg 500w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis1-250x130.jpg 250w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis1-768x400.jpg 768w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/atlas-axis1.jpg 842w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The first two cervical vertebrae \u00a0are the atlas (C1) \u00a0and the axis (C2.) The atlas is named for the character from Greek Mythology who supported the globe, though in anatomy, the head is the globe. \u00a0In fact, the articular facets of the atlas align perfectly with the occipital condyles on the skull. The axis has a protrusion called the odontoid process, also called the &#8220;dens&#8221; after its shape that resembles a tooth. \u00a0The dens articulates with the atlas and creates a pivot join which allows the head to turn left and right. Unlike the other vertebrae, the atlas does not <\/p>\n","protected":false},"author":1,"featured_media":1154,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[168,167,169,161,166,170,171,164,165,98,163,162],"class_list":["post-1152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anatomical","tag-atlas","tag-axis","tag-body","tag-cervical","tag-dens","tag-foramen","tag-process","tag-spine","tag-spinous","tag-transverse","tag-vertebra","tag-vertebrae","has_thumb"],"_links":{"self":[{"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/posts\/1152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/comments?post=1152"}],"version-history":[{"count":2,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/posts\/1152\/revisions"}],"predecessor-version":[{"id":1157,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/posts\/1152\/revisions\/1157"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/media\/1154"}],"wp:attachment":[{"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/media?parent=1152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/categories?post=1152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/tags?post=1152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}