Thoracic Wall & Intercostal Spaces

1.Describe Typical Intercostal Space under the following headings:-

• a) Muscles
• b) Bloodvessels
• c) Nerve
• d) Applied importance

1.Typical inter costal space – boundaries, extent, contents, applied anatomy

2.Describe the course, branches and applied anatomy of typical intercostal nerve

3.Intercostal vessels

4.Boundaries and contents of a typical intercostal space

1.Briefly explain the intercostal muscles

1.Transverse section at the level of Sternal angle of Louis (4th Thoracic vertebra)

2.Transverse section at level of fourth thoracic vertebra

3.Horizontal section through thorax at the level of T4 vertebra

4.Transverse section at T4 vertebral level

5.Two events occurring at sternal angle

6.Where does the left superior intercostal vein terminate into

7.Two characteristic features of typical thoracic vertebra

8.Manubrium sterni

9.Transverse section through thorax at T4 vertebra

10.Cross section of thorax at the level of sternal angle

1.The intercostal nerves and vessels course between

• a) Deep fascia and external intercostals
• b) External and internal intercostals
• c) Internal and innermost intercostals
• d) Innermost intercostals and endothoracic fascia

2.A: During sternal puncture a thick needle is inserted into upper part of manubrium sternum. R: Arch of aorta lies behind the lower part of manubrium sternum

• a) Both A and R are true, and R is the reason for A
• b) Both A and R are true, and R is not the reason for A
• c) A is correct but R is incorrect
• d) A is incorrect but R is correct