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The Thoracic Wall (The Ribs (Landmarks/Structures (Tubercle (Articulates…
The Thoracic Wall
The Ribs
12 Pairs of Ribs
True Ribs (1-7)
Cartilage classified as primary cartilaginous joints
Grow longer the further down
False Ribs (8-10)
Articulations form costal margin
Grow Shorter the Further down
Floating Ribs (11 & 12)
Costal Cartilage is...
Free
Unattached
Landmarks/Structures
Head
Neck
Tubercle
Articulates with numerically corresponding vertebrae
Shaft/body
Flattered in a vertical plane
Angle of the rib
Marks position where the shaft bends to pass anteriorly
Costal Groove
For...
Intercostal Vein
Intercostal Artery
Intercostal Nerve
Facets
Head
Articular Facet
Articulates with the vertebrate above
Articular Facet
Articulates with numerically corresponding vertebrae
Intercostal Muscles
Location
Lies between the space of each pair of ribs
Action
Aids with respiration
3 Layers
External Intercostal
Internal Intercostal
Lying between is...
Intercostal Artery
Intercostal Nerve
Intercostal Vein
Innermost Intercostal
The Sternum
The Manubrium
Location
Upper Portion of the Sternum
Function
Makes up the Jugular Notch
Articulates with...
Clavicle
Ribs
1
2
Body of Sternum
Appearance
Head of the Sternum
The Body
#
Appearance
Longer and Narrower than Manubrium
Function
Makes up Facets for upper 6/7 ribs
Articulates with...
Xiphoid Process
Manubrium
Ribs via...
Costal Cartilage
Classified as Primary Cartilaginous Joints
Cartilage Between Ribs and Sternum