en:thorax

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en:thorax [2023/06/19 11:01] – brahmantraen:thorax [] () – - () 127.0.0.1
 1:  1:
-====== CHEST ====== 
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-  * [[en:Mediastinum|mediastinum]] 
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-Trunk  
- Upper part of trunk being called  
-  Chest  
-   Chest walls  
-More general  
-Skin  
-Superficial fascia  
-Deep fascia  
-Extrinsic muscles  
- More front  
-  Pectoralis major  
-Pectoralis minor  
- More lateral  
- Serratus anterior  
-More back  
-Rhomboid 
- Major  
- Minor  
-Serratus posterior  
- Superior  
- Inferior  
-Levator scapulae  
-More particular  
-Framework  
-Front chest  
- Sternum  
-Side chest  
-Ribs  
-Back chest  
-Thoracic vertebra  
-Thoracic wall proper  
- Ribs  
-  Spaces between ribs  
-  Intercostal space  
-  Anteriorly  
-  9 intercostal spaces  
-Posterior  
- 11 intercostal spaces  
-   Intercostal muscles  
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- External intercostal  
-  From 
- Posteriorly  
- tubercle of rib to  
-Continuous with posterior fibres of superior costotransverse ligament  
-  costochondral junction  
- External or anterior intercostal membrane  
-Fibres direction  
- Downward , forward and medially  
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-Internal intercostal  
-From 
- Lateral border of sternum  
-Superior costotransverse ligament  
-To  
-Angle of rib  
-Continuous with internal intercostal membrane  
-Fibres  
- Backwards , laterally  
-Transversria thoracis  
-  Parts  
- Subcostalis  
-Intercostalis intimi  
-Sternocostalis  
-Nerve supply  
-  Intercostal nerves  
- Anterior primary Rami of t1 to t11  
- Upper two supply upper limb  
-Lower 5 supply abdominal wall  
-Anterior primary Rami of t12 forms  
- Subcostal nerve  
-Course  
-Runs in costal groove  
-Ends near sternum  
-Relations  
- Passes below   
- Neck of rib  
-Costal groove  
- Lies below posterior intercostal vessels  
-Above downwards  
- VAN  
- posterior part of groove  
- Nerve lies beneath pleura  
- With endothoracic fascia and internal intercostal membrane  
-Near sternum  
- Nerve crosses infront of internal thoracic artery  
-And sternocostalis muscle  
-Pierces  
- External and internal intercostal muscle  
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-Branches  
- Muscular branches  
-Sensory branches 
- Lateral cutaneous branch.  
-Anterior cutaneous branch  
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-Intercostal arteries  
- Each intercostal space has a artery  
- Posterior intercostal arteries  
-   First and second arise from superior intercostal artery  
- Which arises from costocervical trunk of subclavian artery  
- 3- 11 arise from descendng thoracic aorta  
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-Course and relations  
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-Actions of intercostal muscles  
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-  Chest cavity  
  
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  • en/thorax.1687172496.txt.gz
  • 2023/06/19 11:01
  • brahmantra