{"id":20743,"date":"2022-07-11T01:05:41","date_gmt":"2022-07-11T01:05:41","guid":{"rendered":"https:\/\/www.knowlative.com\/?p=20743"},"modified":"2022-07-11T01:05:41","modified_gmt":"2022-07-11T01:05:41","slug":"synchondrosis","status":"publish","type":"post","link":"https:\/\/www.knowlative.com\/it\/synchondrosis\/","title":{"rendered":"Synchondrosis"},"content":{"rendered":"<div class=\"postie-post\"> <\/p>\n<p><!--  \/* Font Definitions *\/  @font-face \t{font-family:\"Cambria Math\"; \tpanose-1:2 4 5 3 5 4 6 3 2 4; \tmso-font-charset:0; \tmso-generic-font-family:roman; \tmso-font-pitch:variable; \tmso-font-signature:-536870145 1107305727 0 0 415 0;} @font-face \t{font-family:Calibri; \tpanose-1:2 15 5 2 2 2 4 3 2 4; \tmso-font-charset:0; \tmso-generic-font-family:swiss; \tmso-font-pitch:variable; \tmso-font-signature:-536859905 -1073732485 9 0 511 0;}  \/* Style Definitions *\/  p.MsoNormal, li.MsoNormal, div.MsoNormal \t{mso-style-unhide:no; \tmso-style-qformat:yes; \tmso-style-parent:\"\"; \tmargin:0cm; \tmargin-bottom:.0001pt; \tmso-pagination:widow-orphan; \tfont-size:12.0pt; \tfont-family:\"Times New Roman\",serif; \tmso-fareast-font-family:\"Times New Roman\";} .MsoChpDefault \t{mso-style-type:export-only; \tmso-default-props:yes; \tfont-size:10.0pt; \tmso-ansi-font-size:10.0pt; \tmso-bidi-font-size:10.0pt; \tfont-family:\"Calibri\",sans-serif; \tmso-ascii-font-family:Calibri; \tmso-hansi-font-family:Calibri;} @page WordSection1 \t{size:612.0pt 792.0pt; \tmargin:70.85pt 2.0cm 2.0cm 2.0cm; \tmso-header-margin:36.0pt; \tmso-footer-margin:36.0pt; \tmso-paper-source:0;} div.WordSection1 \t{page:WordSection1;} --><\/p>\n<p> A <strong>synchondrosis<\/strong> (\u201cjoined by cartilage\u201d) is a cartilaginous joint where <strong>bones are joined together by hyaline cartilage<\/strong>, or where bone is united to hyaline cartilage.  A synchondrosis may be temporary or permanent:  <\/p>\n<ul>\n<li>A <strong>temporary synchondrosis<\/strong> is the <strong>epiphyseal plate (growth plate)<\/strong>  of a growing long bone (Picture 1 a). The epiphyseal plate is the region of growing hyaline cartilage that unites the diaphysis (shaft) of the bone to the epiphysis (end of the bone). Bone lengthening involves growth of the epiphyseal plate cartilage and its replacement by bone, which adds to the diaphysis. For many years during childhood growth, the rates of cartilage growth and bone formation are equal and thus the epiphyseal plate does not change in overall thickness as the bone lengthens. During the late teens and early 20s, growth of the cartilage slows and eventually stops. The epiphyseal plate is then completely replaced by bone, and the diaphysis and epiphysis portions of the bone fuse together to form a single adult bone. This fusion of the diaphysis and epiphysis is a synostosis. Once this occurs, bone lengthening ceases. For this reason, the epiphyseal plate is considered to be a temporary synchondrosis. Because cartilage is softer than bone tissue, injury to a growing long bone can damage the epiphyseal plate cartilage, thus stopping bone growth and preventing additional bone lengthening. Growing layers of cartilage also form synchondroses that join together the ilium, ischium, and pubic portions of the hip bone during childhood and adolescence. When body growth stops, the cartilage disappears and is replaced by bone, forming synostoses and fusing the bony components together into the single hip bone of the adult. Similarly, synostoses unite the sacral vertebrae that fuse together to form the adult sacrum.<\/li>\n<li>Examples of <strong>permanent synchondroses<\/strong> are found in the thoracic cage. One example is the first sternocostal joint, where the first rib is anchored to the manubrium by its costal cartilage. (The articulations of the remaining costal cartilages to the sternum are all synovial joints.) Additional synchondroses are formed where the anterior end of the other 11 ribs is joined to its costal cartilage. Unlike the temporary synchondroses of the epiphyseal plate, these permanent synchondroses retain their hyaline cartilage and thus do not ossify with age. Due to the lack of movement between the bone and cartilage, both temporary and permanent synchondroses are functionally classified as a synarthrosis.<\/li>\n<\/ul>\n<p> <\/p>\n<div class=\"postie-attachments\"><center><a href=\"https:\/\/www.knowlative.com\/wp-content\/uploads\/2022\/07\/Attachment-1-36.png\" class=\"et_pb_lightbox_image\" title=\"\"><span class=\"et_pb_image_wrap \"  style=\"max-height: 600px !important;\"><img loading=\"lazy\" src=\"https:\/\/www.knowlative.com\/wp-content\/uploads\/2022\/07\/Attachment-1-36-300x142.png\" alt=\"\" title=\"\" height=\"auto\" width=\"auto\" srcset=\"https:\/\/www.knowlative.com\/wp-content\/uploads\/2022\/07\/Attachment-1-36.png  500w, https:\/\/www.knowlative.com\/wp-content\/uploads\/2022\/07\/Attachment-1-36-300x142.png-480x480.jpg 480w\" sizes=\"(min-width: 0px; ) and (max-width: 480px) 480px, (min-width: 481px) 500px, 100vw\" class=\"wp-image-20744 \" style=\"max-height: 600px !important;\"><br \/>\n<\/span><\/a><\/center><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A synchondrosis (\u201cjoined by cartilage\u201d) is a cartilaginous joint where bones are joined together by hyaline cartilage, or where bone is united to hyaline cartilage. A synchondrosis may be temporary or permanent: A temporary synchondrosis is the epiphyseal plate (growth plate) of a growing long bone (Picture 1 a). The epiphyseal plate is the region [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"categories":[92],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Synchondrosis - Knowlative<\/title>\n<meta name=\"description\" content=\"Synchondrosis\" \/>\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.knowlative.com\/it\/synchondrosis\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Synchondrosis - Knowlative\" \/>\n<meta property=\"og:description\" content=\"Synchondrosis\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.knowlative.com\/it\/synchondrosis\/\" \/>\n<meta property=\"og:site_name\" content=\"Knowlative\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Knowlative\" \/>\n<meta property=\"article:published_time\" content=\"2022-07-11T01:05:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.knowlative.com\/wp-content\/uploads\/2022\/07\/Attachment-1-36-300x142.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.knowlative.com\/it\/#organization\",\"name\":\"Knowlative\",\"url\":\"https:\/\/www.knowlative.com\/it\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/Knowlative\",\"https:\/\/www.instagram.com\/knowlative\/\",\"https:\/\/www.linkedin.com\/company\/knowlative\/about\/\"],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.knowlative.com\/it\/#logo\",\"inLanguage\":\"it-IT\",\"url\":\"https:\/\/www.knowlative.com\/wp-content\/uploads\/2021\/04\/knowlative.jpg\",\"contentUrl\":\"https:\/\/www.knowlative.com\/wp-content\/uploads\/2021\/04\/knowlative.jpg\",\"width\":2480,\"height\":603,\"caption\":\"Knowlative\"},\"image\":{\"@id\":\"https:\/\/www.knowlative.com\/it\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.knowlative.com\/it\/#website\",\"url\":\"https:\/\/www.knowlative.com\/it\/\",\"name\":\"Knowlative\",\"description\":\"The biggest online resource for muscle testers\",\"publisher\":{\"@id\":\"https:\/\/www.knowlative.com\/it\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.knowlative.com\/it\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"it-IT\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.knowlative.com\/it\/synchondrosis\/#primaryimage\",\"inLanguage\":\"it-IT\",\"url\":\"https:\/\/www.knowlative.com\/wp-content\/uploads\/2022\/07\/Attachment-1-36.png\",\"contentUrl\":\"https:\/\/www.knowlative.com\/wp-content\/uploads\/2022\/07\/Attachment-1-36.png\",\"width\":812,\"height\":383},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.knowlative.com\/it\/synchondrosis\/#webpage\",\"url\":\"https:\/\/www.knowlative.com\/it\/synchondrosis\/\",\"name\":\"Synchondrosis - 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