Veins

Question 1

Azygos (R only)

Answer 1

last vein entering into the cranial vena cava, originates dorsally in the abdomen brings deoxygenated blood from the dorsal intercostal veins as far cranially as the third or fourth intercostal space

Question 2

Internal jugular (R&L)

Answer 2

drains from head/neck; internal to external jugular, drains into external jugular

Question 3

External jugular (R&L)

Answer 3

from head/neck; internal jugular drains into it; drains into brachiocephalic vein which then leads into cranial vena cava

Question 4

Subclavian (R&L)

Answer 4

from axillary, with ext. jugular drains into brachiocephalic vein which leads into cranial vena cava

Question 5

Brachiocephalic

Answer 5

receives lymph fluid from L and R tracheal duct and thoracic duct (L); formed by ext. jugular and subclavian vein draining into it

Question 6

Cranial vena cava

Answer 6

drains into the R atrium after its formation by the union of the R and L brachiocephalic veins at the thoracic inlet

Question 7

Caudal vena cava

Answer 7

enters the R atrium caudally

Question 8

Great Cardiac

Answer 8

begins in the paraconal interventricular groove, returns blood supplied to the heart by the left coronary artery; terminates in the coronary sinus