v. cava cranialis

Question 1

what does the branches of v. cava cran. drain

Answer 1

head, neck, thorax, thoracic limbs

part of abdomen (azygos vein)

Question 2

how is the unpaired vena cava formed

Answer 2

at level of thoracic inlet, by convergence of the jugular veins

Question 3

what joins the vena cava

Answer 3

vv. subclavia sin and dex

Question 4

what joins vena cava in eq and ca

Answer 4

azygos vein

Question 5

how is the azygos vein form

Answer 5

by the union of the first 2 lumbar veins.

Question 6

where does the azygos vein pass

Answer 6

passes through aortic hiatus into the thorax.

Question 7

how does the azygos vein receive blood

Answer 7

from vv. intercostalis of middle and caudal thoracic region

Question 8

azygos vein interspecies

Answer 8

eq, ca- only azygos dex
su- only azygos sin
ru- both
both in the embryo

Question 9

v. azygos dex branches

Answer 9

v. intercostalis dorsalis

v. bronchoesophageus

Question 10

v. costocervicalis branches

Answer 10

v. vertebralis
v. scapularis dorsalis
v. cervicalis profundus

Question 11

v. brachiocephalica dex and sin branches

Answer 11

v. subclavia sin and dex
v. jugularis interna
v. jugularis externa (direct continuation
v. cephalica

Question 12

eq and ru v. cava cran gives off:

Answer 12

2 vv. subclaviae, name changes to truncus bijugularis

Question 13

vv. brachiocephalica is found in

Answer 13

ca and su

Question 14

is the v. jugularis always present in eq

Answer 14

no