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Superior Thoracic Aperture (Thoracic Inlet)

Superior Thoracic Aperture or Thoracic Inlet is the inlet through which the thoracic cavity interacts with the root of the neck. Clinicians call the superior thoracic aperture as thoracic outlet clinicians because significant arteries and T1 spinal nerves come from thorax via this aperture and goes into

2nd Intercostal Space

2nd intercostal space starts from inferior portion of 2nd rib and ends at superior portion of 3rd rib. The intercostal spaces are the spaces amongst the two bordering ribs and their costal cartilages. On each side 11 intercostal spaces are present. Contents Each space contains the following

Inferior Thoracic Aperture (Thoracic Outlet)

The Inferior Thoracic Aperture is broad and the upper part of the abdominal cavity is encompassed by the inferior thoracic aperture. The thoracic cavity and the abdominal cavity is divided by the large musculoaponeurotic diaphragm connected to the margins of thoracic outlet.   Borders Anteriorly: Xiphisternal joint.

3rd Intercostal Spaces

3rd intercostal space starts from inferior portion of 3rd rib and ends at superior portion of 4th rib. The intercostal spaces are the spaces amongst the two bordering ribs and their costal cartilages. On each side 11 intercostal spaces are present. Contents Each space contains the following

Surface Landmarks of the Thoracic wall

Bony Landmarks The bony landmarks of the thoracic wall are as follows: 1. Suprasternal notch (jugular notch): Just above the superior border of the manubrium sterni between the proximal medial ends of both clavicles is exactly where the jugular notch is found. At the level of lower border

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