foregut development and mesenteries

Question 1

all organs drained by unpaired arteries drain to

Answer 1

the portal system

Question 2

the foregut is supplied by

Answer 2

supplied by the coeliac artery

Question 3

the foregut is located

Answer 3

oesophagus - 1/2 duodenum

Question 4

the midgut is supplied by

Answer 4

superior mesenteric artery

Question 5

the midgut is located

Answer 5

1/2 dudenum - 2/3 transverse colon

Question 6

the hind gut is supplied by

Answer 6

the inferior mesenteric artery

Question 7

the hind gut is located

Answer 7

2/3 transverse colon - anus

Question 8

sympathetic ganglion of the foregut

Answer 8

coeliac ganglion

Question 9

sympathetic ganglion of the midgut

Answer 9

superior mesenteric ganglion

Question 10

vein draining the foregut

Answer 10

splenic and gastric veins

Question 11

vein draining the midgut

Answer 11

superior mesenteric vein

Question 12

sympathetic ganglion supplying the hindgut

Answer 12

inferior mesenteric ganglion

Question 13

vein draining the hindgut

Answer 13

inferior mesenteric vein

Question 14

organs in the foregut

Answer 14

stomach, liver, gallbladder, pancreas, spleen, first half of duodenum

Question 15

organs of the midgut

Answer 15

2nd half of duodenum 
jejunum and ileum 
cecum
ascending colon 
2/3 of transverse colon

Question 16

organs of the hindgut

Answer 16

1/3 of transverse colon
descending colon
sigmoid colon
rectum

Question 17

3 branches of the coeliac trunk

Answer 17

splenic artery
left gastric
common hepatic

Question 18

3 branches of the superior mesenteric artery

Answer 18

ileocolic, right colic, middle colic

Question 19

3 branches of the inferior mesenteric artery

Answer 19

left colic
sigmoid branches
superior rectal

Question 20

ventral mesentery of the foregut

Answer 20

lesser omentum
falciform ligament
coronary/triangular ligaments

Question 21

ventral mesentery of the mid and hind gut

Answer 21

none

Question 22

dorsal mesentery of the foregut

Answer 22

gastroplenic ligament
splenorenal ligament
gastrocolic ligament
greater omentum

Question 23

Dorsal mesentery of the midgut

Answer 23

mesointestine
mesoappendix
transverse mesocolon

Question 24

dorsal mesentery of the hindgut

Answer 24

sigmoid mesocolon

Question 25

motor nerve supply of the foregut and midgut

Answer 25

vagus

Question 26

motor nerve supply of the hindgut

Answer 26

pelvic splanchnic nerves

Question 27

what is a mesentery

Answer 27

peritoneal reflections where 2 parts of peritoneum wrapping around an organ comon into contact with each other a piece of tissue that suspends viscera, whilst holding important vessels

Question 28

gut tube is connected to the body wall by

Answer 28

dorsal mesentery

Question 29

the only section with ventral mesentery is

Answer 29

foregut

Question 30

visceral peritoneum

Answer 30

covers organs derived from splanchnopleure

Question 31

parietal peritoneum

Answer 31

covers body wall derived from somatopleure

Question 32

peritoneal cavity

Answer 32

fluid filled potential space

Question 33

intraperitoneal organs

Answer 33

have a mesentery all derived from gut tube all supplied by an unpaired aortic artery drain into the portal system

Question 34

zygosis

Answer 34

combination of peritoneal linings (adhesions) | loss of mesentery

Question 35

intraperitoneal organs drain into

Answer 35

the portal system

Question 36

intraperitoneal organs are supplied by

Answer 36

paired aortic arteries

Question 37

itraperitoneal organs are derived from

Answer 37

the gut tube

Question 38

secondary retroperitoneal

Answer 38

had a mesentery but lost it eg. pancreas all derived from the gut tube

Question 39

secondary retroperitoneal organs are derived from

Answer 39

gut tube

Question 40

which organs went through zygosis

Answer 40

secondary retroperitoneal

Question 41

primary peritoneal organs

Answer 41

``` never has a mesentery not derived from the gut tube supplied by paired aortic artery drain into the caval system eg. kidneys ```

Question 42

primary retroperitoneal organs drain into

Answer 42

systemic veins - caval system

Question 43

primary retroperitoneal organs are supplied by

Answer 43

paired aortic arteries

Question 44

ventral mesogastrium

Answer 44

mesentery in front of the gastric/stomach

Question 45

coronary ligament

Answer 45

goes around the liver

Question 46

falciform ligament

Answer 46

on the liver on the anterior side

Question 47

lesser omentum also called

Answer 47

hepatogastric ligament

Question 48

coronary ligament

Answer 48

starts at the falciform and continues around to the lesser omentum

Question 49

what attaches the liver to the anterior body wall

Answer 49

falciform ligament

Question 50

what attaches the liver to the stomach

Answer 50

gastrohepatic ligament/lesser omentum

Question 51

what attaches the stomach to the spleen

Answer 51

gastrosplenic ligament | and greater omentum

Question 52

what attaches the spleen to the posterior body wall

Answer 52

splenorenal ligament

Question 53

ventral mesogastrium organs

Answer 53

liver, gall bladder, ventral pancreas

Question 54

dorsal mesogastrium organs

Answer 54

dorsal pancreas, spleen

Question 55

hepatic diverticulum composed of

Answer 55

``` hepatic duct common bile duct gallbladder hepaticopancreatic duct ventral pancreas ```

Question 56

why is the dorsal pancreas larger than the ventral pancreas

Answer 56

liver gene expression inhibits gall bladder and pancreatic growth in the same area usually

Question 57

why does the liver grow early

Answer 57

needed to produce blood for the embryo

Question 58

liver being shifted to the right

Answer 58

changes the orientation of everything else

Question 59

changes as a result of foregut rotation

Answer 59

stomach moves to the left vessels form the ventral mesogastrium move posterior bile duct is posterior to the duodenum

Question 60

accessory pancreatic duct

Answer 60

not usually seen

Question 61

main pancreatic duct

Answer 61

marks where the foregut ends and the midgut begins

Question 62

impairment in development of the liver

Answer 62

impacts how the gall bladder and cystic and hepatic ducts grow ventral pancreas may go both ways around the duodenum to connect to the dorsal pancreas - narrows the duodenum