Bursa
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- updated 18 Aug 2022:
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A Bursaebursa are(plural: bursae)is a small fluid-filled sacssac lined by a synovial membrane with an inner capillary layer of synovial fluid. It providesThese provide a cushion between bones and tendons and/or muscles around a joint. This helps to reduce friction between the bones and allows free movement. TheyBursae may or may not communicate with the joint space.
Examples
According to location
According to aetiology
deep bursae: present from birth
superficial bursae: form shortly after birth
adventitial bursae: acquired due to friction
Related pathology
-<p><strong>Bursae </strong>are small fluid-filled sacs lined by a <a href="/articles/synovial-membrane">synovial membrane</a> with an inner capillary layer of synovial fluid. It provides a cushion between bones and tendons and/or muscles around a joint. This helps to reduce friction between the bones and allows free movement. They may or may not communicate with the joint space.</p><h4>Examples</h4><h5>According to location</h5><ul>-<li>-<a href="/articles/shoulder-bursae">shoulder bursae</a><ul>-<li><a href="/articles/subacromial-subdeltoid-bursa">subacromial-subdeltoid bursa</a></li>-<li><a href="/articles/subscapularis-recess">subscapularis recess</a></li>-<li><a href="/articles/subcoracoid-bursa">subcoracoid bursa</a></li>-<li><a href="/articles/coracoclavicular-bursa">coracoclavicular bursa</a></li>-<li><a href="/articles/supra-acromial-bursa">supra-acromial bursa</a></li>-</ul>-</li>-<li>-<a href="/articles/elbow-bursae">elbow bursae</a><ul>-<li>-<a href="/articles/olecranon-bursa">olecranon bursa</a> (can have several components)</li>-<li><a href="/articles/subcutaneous-bursa-of-medial-epicondyle">subcutaneous bursa of medial epicondyle</a></li>-<li><a href="/articles/subcutaneous-bursa-of-lateral-epicondyle">subcutaneous bursa of lateral epicondyle</a></li>-<li><a href="/articles/bursa-of-anconeus">bursa of anconeus</a></li>-<li><a href="/articles/bursa-at-origin-of-extensor-carpi-radialis-brevis">bursa at origin of extensor carpi radialis brevis</a></li>-</ul>-</li>-<li>-<a href="/articles/wrist-hand-bursae">wrist / hand bursae</a><ul>-<li><a href="/articles/palmar-ulna-bursa">palmar ulna bursa</a></li>-<li><a href="/articles/palmar-radial-bursa">palmar radial bursa</a></li>-</ul>-</li>-<li>-<a href="/articles/hip-bursae-1">hip bursae</a><ul>-<li><a href="/articles/iliopsoas-bursa">iliopsoas bursa</a></li>-<li><a href="/articles/gluteofemoral-bursa">gluteofemoral bursa</a></li>-<li><a href="/articles/trochanteric-bursa-1">trochanteric bursa</a></li>-<li><a href="/articles/subgluteus-medius-bursa">subgluteus medius bursa</a></li>-<li><a href="/articles/subgluteus-minimus-bursa">subgluteus minimus bursa </a></li>-<li><a href="/articles/obturator-externus-bursa">obturator externus bursa</a></li>-<li><a href="/articles/obturator-internus-bursa">obturator internus bursa</a></li>-<li><a href="/articles/ischiogluteal-bursa">ischiogluteal bursa</a></li>-</ul>-</li>-<li>-<a href="/articles/knee-bursae">knee bursae</a><ul>-<li><a href="/articles/deep-infrapatellar-bursa">infrapatellar bursa</a></li>-<li><a href="/articles/prepatellar-bursa">prepatellar bursa</a></li>-<li><a href="/articles/suprapatellar-bursa">suprapatellar bursa</a></li>-<li><a href="/articles/baker-cyst-2">Baker cyst</a></li>-<li><a href="/articles/pes-anserinus-bursa">pes anserine bursa</a></li>-<li><a href="/articles/medial-collateral-ligament-bursa">medial collateral ligament bursa</a></li>-<li><a title="Fibular collateral ligament-biceps femoris bursa" href="/articles/fibular-collateral-ligament-biceps-femoris-bursa">fibular collateral ligament-biceps femoris bursa</a></li>-</ul>-</li>-<li>-<a href="/articles/ankle-bursae">ankle bursae</a><ul>-<li><a href="/articles/retrocalcaneal-bursa">retrocalcaneal bursa</a></li>-<li><a href="/articles/subcutaneous-calcaneal-bursa">superficial retrocalcaneal bursa</a></li>-<li><a href="/articles/gruberi-bursa">Gruberi bursa</a></li>-</ul>-</li>-</ul><h5>According to aetiology</h5><ul>-<li>-<a href="/articles/deep-bursae">deep bursae</a>: present from birth</li>-<li>-<a href="/articles/superficial-bursae">superficial bursae</a>: form shortly after birth</li>-<li>-<a href="/articles/adventitial-bursae">adventitial bursae</a>: acquired due to friction</li>-</ul><h4>Related pathology</h4><ul>-<li><a href="/articles/bursitis">bursitis</a></li>-<li><a href="/articles/diffuse-tenosynovial-giant-cell-tumour">pigmented villonodular bursitis</a></li>- +<p>A <strong>bursa </strong>(plural: bursae)<strong> </strong>is a small fluid-filled sac lined by a <a href="/articles/synovial-membrane">synovial membrane</a> with an inner capillary layer of synovial fluid. These provide a cushion between bones and tendons and/or muscles around a joint. This helps to reduce friction between the bones and allows free movement. Bursae may or may not communicate with the joint space.</p><h4>Examples</h4><h5>According to location</h5><ul>
- +<li>
- +<p><a href="/articles/shoulder-bursae">shoulder bursae</a></p>
- +<ul>
- +<li><p><a href="/articles/subacromial-subdeltoid-bursa">subacromial-subdeltoid bursa</a></p></li>
- +<li><p><a href="/articles/subscapularis-recess">subscapularis recess</a></p></li>
- +<li><p><a href="/articles/subcoracoid-bursa">subcoracoid bursa</a></p></li>
- +<li><p><a href="/articles/coracoclavicular-bursa">coracoclavicular bursa</a></p></li>
- +<li><p><a href="/articles/supra-acromial-bursa">supra-acromial bursa</a></p></li>
- +</ul>
- +</li>
- +<li>
- +<p><a href="/articles/elbow-bursae">elbow bursae</a></p>
- +<ul>
- +<li><p><a href="/articles/olecranon-bursa">olecranon bursa</a> (can have several components)</p></li>
- +<li><p><a href="/articles/subcutaneous-bursa-of-medial-epicondyle">subcutaneous bursa of medial epicondyle</a></p></li>
- +<li><p><a href="/articles/subcutaneous-bursa-of-lateral-epicondyle">subcutaneous bursa of lateral epicondyle</a></p></li>
- +<li><p><a href="/articles/bursa-of-anconeus">bursa of anconeus</a></p></li>
- +<li><p><a href="/articles/bursa-at-origin-of-extensor-carpi-radialis-brevis">bursa at origin of extensor carpi radialis brevis</a></p></li>
- +</ul>
- +</li>
- +<li>
- +<p><a href="/articles/wrist-hand-bursae">wrist / hand bursae</a></p>
- +<ul>
- +<li><p><a href="/articles/palmar-ulna-bursa">palmar ulna bursa</a></p></li>
- +<li><p><a href="/articles/palmar-radial-bursa">palmar radial bursa</a></p></li>
- +</ul>
- +</li>
- +<li>
- +<p><a href="/articles/hip-bursae-1">hip bursae</a></p>
- +<ul>
- +<li><p><a href="/articles/iliopsoas-bursa">iliopsoas bursa</a></p></li>
- +<li><p><a href="/articles/gluteofemoral-bursa">gluteofemoral bursa</a></p></li>
- +<li><p><a href="/articles/trochanteric-bursa-1">trochanteric bursa</a></p></li>
- +<li><p><a href="/articles/subgluteus-medius-bursa">subgluteus medius bursa</a></p></li>
- +<li><p><a href="/articles/subgluteus-minimus-bursa">subgluteus minimus bursa</a></p></li>
- +<li><p><a href="/articles/obturator-externus-bursa">obturator externus bursa</a></p></li>
- +<li><p><a href="/articles/obturator-internus-bursa">obturator internus bursa</a></p></li>
- +<li><p><a href="/articles/ischiogluteal-bursa">ischiogluteal bursa</a></p></li>
- +</ul>
- +</li>
- +<li>
- +<p><a href="/articles/knee-bursae">knee bursae</a></p>
- +<ul>
- +<li><p><a href="/articles/deep-infrapatellar-bursa">infrapatellar bursa</a></p></li>
- +<li><p><a href="/articles/prepatellar-bursa">prepatellar bursa</a></p></li>
- +<li><p><a href="/articles/suprapatellar-bursa">suprapatellar bursa</a></p></li>
- +<li><p><a href="/articles/baker-cyst-2">Baker cyst</a></p></li>
- +<li><p><a href="/articles/pes-anserinus-bursa">pes anserine bursa</a></p></li>
- +<li><p><a href="/articles/medial-collateral-ligament-bursa">medial collateral ligament bursa</a></p></li>
- +<li><p><a href="/articles/fibular-collateral-ligament-biceps-femoris-bursa" title="Fibular collateral ligament-biceps femoris bursa">fibular collateral ligament-biceps femoris bursa</a></p></li>
- +</ul>
- +</li>
- +<li>
- +<p><a href="/articles/ankle-bursae">ankle bursae</a></p>
- +<ul>
- +<li><p><a href="/articles/retrocalcaneal-bursa">retrocalcaneal bursa</a></p></li>
- +<li><p><a href="/articles/subcutaneous-calcaneal-bursa">superficial retrocalcaneal bursa</a></p></li>
- +<li><p><a href="/articles/gruberi-bursa">Gruberi bursa</a></p></li>
- +</ul>
- +</li>
- +</ul><h5>According to aetiology</h5><ul>
- +<li><p><a href="/articles/deep-bursae">deep bursae</a>: present from birth</p></li>
- +<li><p><a href="/articles/superficial-bursae">superficial bursae</a>: form shortly after birth</p></li>
- +<li><p><a href="/articles/adventitial-bursae">adventitial bursae</a>: acquired due to friction</p></li>
- +</ul><h4>Related pathology</h4><ul>
- +<li><p><a href="/articles/bursitis">bursitis</a></p></li>
- +<li><p><a href="/articles/diffuse-tenosynovial-giant-cell-tumour">pigmented villonodular bursitis</a></p></li>
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Bursa
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