Fetal and postnatal development of the patella, patellar tendon and suprapatella in the rabbit; changes in the distribution of the fibrillar collagens

The development of the patella, its associated tendons, and suprapatella of the rabbit knee joint is described from the 17 d fetus to the mature adult. The patellar tendon (ligament) with the patella on its posterior surface is seen in the 17 d fetus and is fully developed by 1 postnatal wk. It is c...

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Veröffentlicht in:American journal of anatomy 1997-04, Vol.190 (3), p.327-342
Hauptverfasser: BLAND, YVETTE S., ASHHURST, DOREEN E.
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description The development of the patella, its associated tendons, and suprapatella of the rabbit knee joint is described from the 17 d fetus to the mature adult. The patellar tendon (ligament) with the patella on its posterior surface is seen in the 17 d fetus and is fully developed by 1 postnatal wk. It is composed of bundles of types I and V collagens separated by endotenons of types III and V collagens. Anteriorly there is an epitenon of types III and V collagens while synovium and a fat pad cover its posterior surface. In the 25 d fetus, the patella is cartilaginous and is separated from the femoral condyles. The cartilage contains type II collagen, but types I, III and V collagens are found along the articular surface. Ossification starts 1 postnatal wk and at 6 wk only the articular cartilage remains. In addition to type II, types III and V collagens are located around the chondrocyte lacunae. The long anterior junction between the patella and its tendon is fibrocartilaginous at 1 wk, but as ossification proceeds this is replaced by bone. Types I and V collagens are found in this region. The suprapatella on the posterior surface of the quadriceps tendon is first seen 1 wk postnatally as an area of irregularly organised fibres and chondrocyte-like cells. Types I, II, III and V collagens are present from 3 wk onwards. It is compared with the fibrocartilage of other tendons that are under compression. The arrangement of the collagens in the patellar tendon is discussed in relation to its use as a replacement for injured anterior cruciate ligaments. It is suggested that the structural differences between the patellar tendon and anterior cruciate ligament preclude the translocated tendon acquiring mechanical strength similar to that of a normal cruciate ligament. The designation ‘patellar ligament’ as opposed to ‘patellar tendon’ is questioned. It is argued that the term patellar tendon reflects its structure more accurately than patellar ligament.
doi_str_mv 10.1046/j.1469-7580.1997.19030327.x
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The suprapatella on the posterior surface of the quadriceps tendon is first seen 1 wk postnatally as an area of irregularly organised fibres and chondrocyte-like cells. Types I, II, III and V collagens are present from 3 wk onwards. It is compared with the fibrocartilage of other tendons that are under compression. The arrangement of the collagens in the patellar tendon is discussed in relation to its use as a replacement for injured anterior cruciate ligaments. It is suggested that the structural differences between the patellar tendon and anterior cruciate ligament preclude the translocated tendon acquiring mechanical strength similar to that of a normal cruciate ligament. The designation ‘patellar ligament’ as opposed to ‘patellar tendon’ is questioned. It is argued that the term patellar tendon reflects its structure more accurately than patellar ligament.</description><subject>Animals</subject><subject>Bone</subject><subject>cartilage</subject><subject>Cell Polarity</subject><subject>fibrocartilage</subject><subject>Gestational Age</subject><subject>Hindlimb</subject><subject>Microscopy, Electron</subject><subject>Patella - embryology</subject><subject>Patella - growth &amp; development</subject><subject>Patellar Ligament - embryology</subject><subject>Patellar Ligament - growth &amp; development</subject><subject>Patellar Ligament - metabolism</subject><subject>Rabbits - embryology</subject><subject>Rabbits - growth &amp; development</subject><subject>Tendons - embryology</subject><subject>Tendons - growth &amp; development</subject><subject>Tendons - metabolism</subject><issn>0002-9106</issn><issn>0021-8782</issn><issn>1553-0795</issn><issn>1469-7580</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqVUV1rFDEUDaLUtfoThAHBJ2dN5isbikIp1lYKfdHncGdys5tlNhmTTG3_iL_XzO5sqW8KITf33HtObnIIecfoktGq-bhdsqoROa9XCRCCp42WtCz48v4ZWbC6LnPKRf2cLCilRS4YbV6SVyFsU7oqBD0hJ4JVvCjogvy-xAh9BlZlgwvRwpQpvMPeDTu0MXM6ixvMBojY9_DhePBZRKuc3TPDOHiYC5mxe4KHtjXxLOs2YNcYjrAyIXrTjtEk7qytTevNXrNzKazRhtfkhYY-4Js5npIfl1--X1zlN7dfry_Ob_Ku5pTnGllDNei2q4WAitZCFQ0tkWrd8U5XUFcgmCj51K54i6iAK9WAAl009ao8JZ8PusPY7lB16cUeejl4swP_IB0Y-XfFmo1cuzuZHOANq5LA-1nAu58jhih3JnTTR1h0Y5BcUMrKVZkazw6NnXcheNSPlzAqJ1vldhIVcrJVTrbKo63yPrHfPp3zkTv7mOpXh_ov0-PD_0jLb7fnaU2AnJAk9WkeFHbJF7VGuXWjt8mGfxr1D-CAzCs</recordid><startdate>199704</startdate><enddate>199704</enddate><creator>BLAND, YVETTE S.</creator><creator>ASHHURST, DOREEN E.</creator><general>Cambridge University Press</general><general>Blackwell Science Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>199704</creationdate><title>Fetal and postnatal development of the patella, patellar tendon and suprapatella in the rabbit; changes in the distribution of the fibrillar collagens</title><author>BLAND, YVETTE S. ; ASHHURST, DOREEN E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5707-fe160fafbc599a4059d2603e0ffc7cf4a54a91937c570d7beeda7dd6adaf26583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Animals</topic><topic>Bone</topic><topic>cartilage</topic><topic>Cell Polarity</topic><topic>fibrocartilage</topic><topic>Gestational Age</topic><topic>Hindlimb</topic><topic>Microscopy, Electron</topic><topic>Patella - embryology</topic><topic>Patella - growth &amp; development</topic><topic>Patellar Ligament - embryology</topic><topic>Patellar Ligament - growth &amp; development</topic><topic>Patellar Ligament - metabolism</topic><topic>Rabbits - embryology</topic><topic>Rabbits - growth &amp; development</topic><topic>Tendons - embryology</topic><topic>Tendons - growth &amp; development</topic><topic>Tendons - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BLAND, YVETTE S.</creatorcontrib><creatorcontrib>ASHHURST, DOREEN E.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>American journal of anatomy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BLAND, YVETTE S.</au><au>ASHHURST, DOREEN E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fetal and postnatal development of the patella, patellar tendon and suprapatella in the rabbit; changes in the distribution of the fibrillar collagens</atitle><jtitle>American journal of anatomy</jtitle><addtitle>Am. j. anat</addtitle><date>1997-04</date><risdate>1997</risdate><volume>190</volume><issue>3</issue><spage>327</spage><epage>342</epage><pages>327-342</pages><issn>0002-9106</issn><issn>0021-8782</issn><eissn>1553-0795</eissn><eissn>1469-7580</eissn><abstract>The development of the patella, its associated tendons, and suprapatella of the rabbit knee joint is described from the 17 d fetus to the mature adult. The patellar tendon (ligament) with the patella on its posterior surface is seen in the 17 d fetus and is fully developed by 1 postnatal wk. It is composed of bundles of types I and V collagens separated by endotenons of types III and V collagens. Anteriorly there is an epitenon of types III and V collagens while synovium and a fat pad cover its posterior surface. In the 25 d fetus, the patella is cartilaginous and is separated from the femoral condyles. The cartilage contains type II collagen, but types I, III and V collagens are found along the articular surface. Ossification starts 1 postnatal wk and at 6 wk only the articular cartilage remains. In addition to type II, types III and V collagens are located around the chondrocyte lacunae. The long anterior junction between the patella and its tendon is fibrocartilaginous at 1 wk, but as ossification proceeds this is replaced by bone. Types I and V collagens are found in this region. The suprapatella on the posterior surface of the quadriceps tendon is first seen 1 wk postnatally as an area of irregularly organised fibres and chondrocyte-like cells. Types I, II, III and V collagens are present from 3 wk onwards. It is compared with the fibrocartilage of other tendons that are under compression. The arrangement of the collagens in the patellar tendon is discussed in relation to its use as a replacement for injured anterior cruciate ligaments. It is suggested that the structural differences between the patellar tendon and anterior cruciate ligament preclude the translocated tendon acquiring mechanical strength similar to that of a normal cruciate ligament. The designation ‘patellar ligament’ as opposed to ‘patellar tendon’ is questioned. It is argued that the term patellar tendon reflects its structure more accurately than patellar ligament.</abstract><cop>Edinburgh, UK</cop><pub>Cambridge University Press</pub><pmid>9147220</pmid><doi>10.1046/j.1469-7580.1997.19030327.x</doi><tpages>16</tpages><oa>free_for_read</oa></addata></record>
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subjects Animals
Bone
cartilage
Cell Polarity
fibrocartilage
Gestational Age
Hindlimb
Microscopy, Electron
Patella - embryology
Patella - growth & development
Patellar Ligament - embryology
Patellar Ligament - growth & development
Patellar Ligament - metabolism
Rabbits - embryology
Rabbits - growth & development
Tendons - embryology
Tendons - growth & development
Tendons - metabolism
title Fetal and postnatal development of the patella, patellar tendon and suprapatella in the rabbit; changes in the distribution of the fibrillar collagens
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