LE Blood Supply Flashcards
The ascending aorta arises from the ____ ventricle branches to form what?
Left
Coronary Arteries
What do these coronary arteries do?
They are distributed throughout the heart and supply oxygen to the myocardium
Where does the aortic arch lie?
posterior to the manubrium
3 branches of the aortic arch
1) Brachiocephalic Trunk
2) Left Common Carotid Artery
3) Left Subclavian Artery
The descending aorta is considered the thoracic aorta from T__ to T__.
T5 - T12
The descending aorta is considered the abdominal aorta from T__ to L__.
T12 or the level of the diaphragm to L4
At L4 the abdominal aorta divides into what?
Right and Left common iliac arteries
What is the average size of the aorta?
The diameter of a garden hose
The aorta is divided into segments, each named according to two systems. What are these 2 systems?
System I is the path that the aorta follows as it courses through the body.
- Ascending aorta
- Arch of the aorta
- Descending aorta
System II is the path named according to location within the body cavities.
- Thoracic aorta
- abdominal aorta
What are the 3 arteries that come off of the thoracic aorta (T5 - T12)?
1) Esophageal Artery
2) Intercostal Artery
3) Bronchiole Artery
6 Branches of the abdominal aorta
1) Celiac Artery
2) Suprarenal Arteries
3) Superior Mesenteric Artery
4) Renal Artery
5) Gonadal Artery
6) Inferior Mesenteric Artery
What does the celiac artery supply?
the liver, stomach, spleen, and pancreas
What do the suprarenal arteries supply?
the adrenal glands just above the kidneys
What does the Superior Mesenteric Artery supply?
the small intestine, part of large intestine, half of the transverse colon
What do the renal arteries supply?
the kidneys