Development of Veins

Question 1

Veins draining into Sinus venosus

Answer 1

Common cardinal vein.
Umbilical vein.
Vitelline vein.

Question 2

Parts of Sinus venosus

Answer 2

Body, Left horn and Right horn.

Question 3

Common cardinal vein drains from

Answer 3

Embryo proper to Sinus venosus.

Question 4

Vitelline vein drains from

Answer 4

Yolk sac to Sinus venosus.

Question 5

Umbilical vein drains from

Answer 5

Drains from placenta into sinus venosus.

Question 6

Anterior cardinal vein drains from

Answer 6

Upper body

Question 7

Posterior cardinal vein drains from

Answer 7

Lower body

Question 8

Vitelline vein anastomosis around _____

Answer 8

Duodenum

Question 9

Number of Anastomosis of vitelline vein

Answer 9

2 ventral and 1 dorsal anastomosis.

Question 10

Vitelline vein plexus passes through

Answer 10

Septum transversum.

Question 11

Cranial part of left vitelline vein -

Answer 11

Disappears

Question 12

Hepato-cardiac channel is formed by

Answer 12

Vitelline vein above the septum transversum

Question 13

Left HPCC -

Answer 13

Disappears

Question 14

Right HPCC forms

Answer 14

Cranial part of IVC

Question 15

Cranial part of Rt Vitelline vein forms

Answer 15

Rt HPCC

Question 16

Portal vein is formed by

Answer 16

Part of Left Vitelline vein anastomosis.
Dorsal anastomosis of Vitelline vein.
Part of Rt Vitelline vein and Proximal anastomosis.

Question 17

Right umbilical vein

Answer 17

Disappears

Question 18

Site of Regression of Rt Umbilical vein -

Answer 18

Potential site for Hernia gastroschisis

Question 19

Cranial part of left umbilical vein -

Answer 19

Disappears

Question 20

Cranial part of left umbilical vein and Left vitelline vein-

Answer 20

Disappears

Question 21

Ductus venosus- formed by

Answer 21

Left UV anastomosing with Rt cranial vitelline vein (IVC) bypassing liver.

Question 22

Remnant of Left Umbilical vein

Answer 22

Ligamentum teres.

Question 23

Remnant of Ductus venosus

Answer 23

Ligamentum venosum

Question 24

Subclavian vein - derived from

Answer 24

intersegmental veins.

Question 25

Internal jugular veins derived from

Answer 25

Antr cardinal veins above subclavian opening.

Question 26

Rt Brachiocephalic vein derived from

Answer 26

RT ACV below subclavian opening.

Question 27

Lt brachiocephalic vein derived from

Answer 27

Oblique anastomosis and Lt ACV below subclavian opening.

Question 28

Lt ACV below oblique anastomosis.

Answer 28

Disappears.

Question 29

Rt ACV below Oblique anastomosis

Answer 29

forms SVC

Question 30

SVC - Derived from

Answer 30

Rt ACV below Oblique anastomosis and RT CCV

Question 31

Double SVC - Pathogenesis

Answer 31

Persistence of Lt ACV and Absence of Oblique anastomosis.

Question 32

IVC - Derived from

Answer 32

Rt Sacro Cardinal vein
Rt Supracardinal vein
Anastomosis btw Rt Supra and Subcardinal vein.
Rt Subcardinal vein
Anastomosis btw Rt Subcardinal and Rt HPCC
Rt HPCC.

Question 33

Lower part of PCV is called

Answer 33

Sacro cardinal vein

Question 34

Vein that drains the kidney

Answer 34

Subcardinal vein

Question 35

Subcardinal vein drains

Answer 35

Vein that drains the kidney

Question 36

Vein that drains Body wall through Intercostal vein

Answer 36

Supracardinal vein

Question 37

Double IVC - Pathogenesis

Answer 37

Non Disappearance of Left sided PCV.

Persistence of Lt Sacro cardinal vein > Lt Subcardinal > Lt Supracardinal vein.

Question 38

Rt Renal vein derived from

Answer 38

Rt Mesonephric vein.

Question 39

Lt Renal vein derived from

Answer 39

Anastomosis btw Rt and LT subcardinal vein
Lt Subcardinal vein
Lt Mesonephric vein.

Question 40

Rt Cranial subcardinal vein gives rise to

Answer 40

Rt Suprarenal Vein

Question 41

Rt Caudal Subcardinal Vein gives rise to

Answer 41

Rt Gonadal vein

Question 42

Lt Cranial subcardinal vein gives rise to

Answer 42

Lt Suprarenal Vein

Question 43

Lt Caudal Subcardinal vein gives rise to

Answer 43

Lt Gonadal vein.

Question 44

Lt Suprarenal and gonadal vein drains into

Answer 44

Left renal vein

Question 45

Rt Suprarenal and gonadal vein drains into

Answer 45

IVC