Veins Flashcards
- returns blood to the right atrium of the heart and through the superior vena cava, the inferior vena cava and the coronary sinus.
- coronary sinus drains blood only from the walls of the heart while the…
- vena cava drain the rest of the body, except the lungs.
- Veins called tributaries Example: superior vena cava
o the tributaries will be the left brachiocephalic vein and right brachiocephalic vein
Systemic Vein
Major Venous Drainage
- Superior vena cava
- Inferior vena cava
- Coronary sinus
- Portal vein
drains unoxygenated blood from the head, neck, upper limb, thorax, into the right atrium
Superior vena cava
drains unoxygenated blood from the abdominopelvic cavity into the right atrium
Inferior vena cava
drains the heart
Coronary sinus
Veins called ___________
tributaries
main venous drainage of the abdominal visceral organs
Portal vein
the tributaries will be the left brachiocephalic vein and right brachiocephalic vein.
superior vena cava
splenic vein and superior mesenteric vein;
the blood supply of the liver.
Hepatic portal vein
Vascular changes after birth
- Ductus venosus
- Foramen Ovale
- Umbilical arteries
- Umbilical vein
- Ductus arteriosus
o clear
Normal coronary artery
- Blood from the intestines will pass through this circulation on the way to the liver.
- Food nutrients that had been absorbed in the small intestines –> intestinal veins –> superior mesenteric veins –> joins splenic vein to form portal vein –> Liver.
- The portal vein is one of 2 main blood supplies of the liver. (the other one is Hepatic artery) These cavities absorb food nutrients
Portal Circulation
o obstructing the passage of blood;
o in the heart – myocardial infarction (MI);
o in the brain – cerebrovascular accident (CVA)
Atherosclerosis with blood clot
o buildup of fats; increase in BP
Atherosclerosis
Ligamentum venosum
Ductus venosus
