What is plural for vena cava?
noun. ve·na ca·va | \ ˌvē-nə-ˈkā-və \ plural venae cavae\ ˌvē-(ˌ)nē-ˈkā-(ˌ)vē \
What is another name for the superior vena cava?
The superior vena cava (SVC, also known as the cava or cva) is a short, but large diameter vein located in the anterior right superior mediastinum. Its latin name is related to its large pipe appearance in cadavers, ‘cava’ meaning ‘hollow’.
How many superior vena cava are there?
two venae cavae
The superior vena cava (SVC) is the superior of the two venae cavae, the great venous trunks that return deoxygenated blood from the systemic circulation to the right atrium of the heart. It is a large-diameter (24 mm) short length vein that receives venous return from the upper half of the body, above the diaphragm.
What two versions join the superior vena cava?
On each side, the subclavian vein, the principal vein of the upper extremity, joins with the internal jugular, the principal vein of the head and neck, here, behind the medial end of the clavicle, forming the brachiocephalic vein. The two brachiocephalic veins enter the thorax and unite, forming the superior vena cava.
What is the plural of pericardium?
noun. peri·car·di·um | \ ˌper-ə-ˈkär-dē-əm \ plural pericardia\ ˌper-ə-ˈkär-dē-ə \
What does Cava mean in vena cava?
hollow veins
FMA. 321896. Anatomical terminology. The venae cavae (/ˈviːni ˈkeɪvi/; from the Latin for “hollow veins”, singular “vena cava” /ˈviːnə ˈkeɪvə/) are two large veins (great vessels) that return deoxygenated blood from the body into the heart.
Can you have two superior vena cava?
Duplication of superior vena cava (SVC) is a rare anomaly. The incidence of double SVC in general population is 0.3% whereas in patients with congenital heart disease it varies between 10-11%. Double SVC cases have clinical importance if especially the one on the left side drains into the left atrium.
What is Precaval and Postcaval?
Quick Reference. Either of the two large veins that carry deoxygenated blood into the right atrium of the heart. The precaval vein ( anterior or superior vena cava) receives blood from the head and forelimbs; the postcaval vein ( posterior or inferior vena cava) drains blood from the trunk and hindlimbs.
Are there 2 vena cava?
The venae cavae (/ˈviːni ˈkeɪvi/; from the Latin for “hollow veins”, singular “vena cava” /ˈviːnə ˈkeɪvə/) are two large veins (great vessels) that return deoxygenated blood from the body into the heart. In humans there are the superior vena cava and the inferior vena cava, and both empty into the right atrium.
What forms superior vena cava?
The superior vena cava derives from the proximal portion of the right anterior cardinal vein and the right common cardinal vein at a point that is caudal to the transverse anastomosis in the embryo. Superior to this anastomosis, the anterior cardinal veins become the internal jugular veins.
What is the sac around the heart called?
This allows the heart to move freely. A fibrous sac called the pericardium surrounds the heart. This sac has two thin layers with fluid between them. This fluid reduces friction as the two layers rub against each other when the heart beats.
What is the plural of venae cavae?
plural venae cavae ˌvē-(ˌ)nē-ˈkā-(ˌ)vē . : any of the large veins by which in air-breathing vertebrates the blood is returned to the right atrium of the heart.
What is the superior vena cava?
The superior vena cava is a vital structure in the human circulatory system that helps drain large amounts of deoxygenated blood from the head, eyes, neck, and upper limbs into the upper left chamber (atrium) of the heart.
What does vena cava mean in medical terms?
Medical Definition of vena cava. : either of two large veins by which the blood is returned to the right atrium of the heart: a : inferior vena cava. b : superior vena cava.
Where does the superior vena cava drain into the heart?
This large vein drains into the right atrium of the heart at the superior cavoatrial junction (located at the level of the third costal cartilage). The lower half of the superior vena cava is covered by pericardium—a sac that encloses the heart.