BMS12-1008 The Thorax Flashcards
What makes the thorax? (6)
Ribs Intercostal space Costal cartilage Sternum Thoracic vertebrae Organs
2 functions of the thorax
Protect organs
Respiration
What forms the superior thoracic aperture?
1st rib
Manubrium
Vertebrae 1
What forms the inferior thoracic aperture?
Floating ribs
Costal region
Xiphoid process
Vertebrae 1
What passes through the STA?
Trachea
Carotid artery
Apex of lungs
Oesophagus
What passes through the ITA?
Descending aorta
Inferior vena cava
Oesophagus
Name the regions of the spine from top to bottom
Cervical Thoracic Lumbar Sacrum Coccyx
Synarthroses
Immovable
Amphiarthroses
Slightly moveable
Diarthroses
Freely moveable
Name a primary cartilaginous joint
Rib to costal cartilage- costochondral
Name a secondary cartilaginous joint
Manubriosternal joint
Name 4 synovial joints
Costotransverse
Costovertrebral
Interchondral
Sternocostal
Describe the head of a typical rib
It has 2 facets for articulation with vertebrae
What connects the bone head to the body?
Neck
What is at the neck body junction and what does it do?
Tubercle
Articulates with a transverse vertebral process
What does the costal groove do?
Contains the VAN
Where is the costal groove?
Interior surface running along the inferior border
Which ribs are typical?
3-9
Describe the 1st rib
Broad and sharply curved with a flat upper and lower surface
Has only 1 facet for T1
It has 2 grooves on its superior surface
Tubercle for scalene muscle attachment
What don’t ribs 11 and 12 have? (3)
No neck, anterior articulation or tubercle
How many facets do ribs 5-12 have?
1
Which are the atypical ribs?
1, 2, 3, 5, 6, 7
How many facets does the 2nd rib have?
2