Thoracic wall and its contents

7.  Intercostal muscles
 External intercostal muscle (intercostalis Externus)
 Internal intercostal muscle (intercostalis Internus)
 Tansversus thoracis muscle ( part of Intercostalis
Intimi)
▪ Subcostalis
▪ Intercostalis intimi
▪ sternocostalis
Intercostal vessels
Intercostal nerves

11. Innermost
intercostal

20. Dorsal
ramus

21. RESPIRATORY MOVEMENTS

24.  Irritation of intercostal nerve
 Pus accumulation in the vertebral column