Aorta Flashcards
Function
Distributes oxygenated blood to the different parts of the body
Branches of ascending aorta
Left and right coronary arteries
Branches of the aortic arch
Brachiocephalic (RCC and RSA)
Left common carotid
Left subclavian
Aortic arch relation to respiratory system
Aorta arches over the left main bronchus
Branches of the descending aorta: thoracic (4)
Bronchial
Oesophageal
Pericardial/mediastinal
Posterior intercostal arteries: T3-T11 (visible on a specimen)
Vertebral level of aortic hiatus of diaphragm
T12
Branches of the descending aorta: abdominal (9)
Inferior phrenic (superior suprarenal) Middle suprarenal Celiac trunk Lumbar (4) Superior mesenteric Renal Gonadal (testicular/ovarian) Inferior mesenteric Median sacral
Beginning and termination of the aortic arch (vertebral level)
T4
Bifurcation of the abdominal aorta
L4
- Left and right common iliac arteries
Bifurcation of the common iliac arteries
L5
- Left and right, internal and external iliac arteries
Internal thoracic arteries are branches of
Subclavian artery
Internal thoracic arteries supply (4)
- Anterior intercostals (anastomose with posterior intercostals from thoracic aorta)
- Fibrous pericardium
- Parietal pleura
- Diaphragm
Internal thoracic artery bifurcation forms (2)
Superior epigastric
Musculophrenic