TOPIC 6B. The v. cava cranialis and the venous blood supply of the thorax.

Question 1

What is the vena cava cranialis

Answer 1

large unpaired

drains: head, neck, FL and thorax back to the heart

Question 2

v azygos dextra is in

Answer 2

ca, ru and eq

Question 3

v azygos sinistra is in

Answer 3

sus and ru

Question 4

v bronchoesophagea (ex v azygous dextra)

Answer 4

ca and eq

Question 5

vv bronchales and oesophagea are off v azygous in

Answer 5

su and ru

Question 6

v hemiazygous sinistra

Answer 6

supplement for opposite side in ca and eq

Question 7

v hemiazygous dextra

Answer 7

supplement for opposite side in su and ru

Question 8

branches of braciocephalic vein

Answer 8

v vertebralis (from vc cran on right in eq)
v scapularis dorsalis
v cervicalis profunda
v intercostalis suprema/ intercostalis 1 (ca) / v intercostalis 2 (sus)

Question 9

terminal branches of v cava cran in ca and sus

difference in ru and eq

Answer 9

v jug externa and v subclavian dextra

subclavian dex and sin given off beforehand

Question 10

whats often a common stem in ca

Answer 10

v thoracica interna

Question 11

does equine have v jugulara interna

and ru?

Answer 11

no

and its in common stem with external jugular in ru

Question 12

differences in origin of v subclavia sin and dextra

Answer 12

in eq, ru: from v cava cran

in ca, sus: from v brachiocephalica

sus: paired on both sides