Perrault_Abdomen_Embryology

Question 1

mesocolon:

Answer 1

mesentary sheet that adhears the transverse colon to the posterior wall

Question 2

developmental phases of development:

Answer 2

elongation/recanalization, herniation, rotation/folding, histogenesis, functional maturation

Question 3

the primordial foregut incluides:

Answer 3

primordial pharynx, lower respiratory system, the esophogus, duodunum-proximal part, the liver, bilary apparatus, pancreas

Question 4

the primordial foregut is vascularly supplied by the:

Answer 4

celiac artery

Question 5

the primordial midgut includes:

Answer 5

small intestine, duodenum-distal part, cecum, appendix, ascending colon, 2/3 of the transverse colon

Question 6

the primordial hindgut includes:

Answer 6

left 1/3 of transverse colon, descending colon, sigmoid colon, rectum, superior part of anal canal, epithelium of urinary bladder, most of the urethra

Question 7

the primordial midgut is vascularized by the:

Answer 7

superior messentary

Question 8

the primordial hindgut is vascularized by the:

Answer 8

inferior messentary

Question 9

by the end of the first month, the endoderm will develop a series of _______ budding off of it

Answer 9

diverticulum

Question 10

vitelline duct

Answer 10

In the human embryo, the vitelline duct, also known as the omphalomesenteric duct, is a long narrow tube that joins the yolk sac to the midgut lumen of the developing fetus.[1] It appears at the end of the fourth week, when the yolk sac presents the appearance of a small pear-shaped vesicle (the umbilical vesicle).

Question 11

if the vitelline is left over, it is associated with the _____ and is called _____

Answer 11

illeum, merkle’s diverticuli

Question 12

the endoderm that expands out from within the pharyngeal arches,

Answer 12

pharyngeal pouches

Question 13

mesoderm that stayed with endothermal tube as it spread out laterally is called:

Answer 13

splancnic mesoderm

Question 14

mesdoerm that stayed with the body wall while spreading is called:

Answer 14

somatic mesoderm

Question 15

the two layers of cells that are surrounding the gut tube, that is pulled into the center of the cavity of the embryo is called:

Answer 15

splancnic mesoderm

Question 16

the ____ and _______ structures will develop from the ventral wall

Answer 16

foregut, hindgut

Question 17

the _____ does not develop from the ventral wall because of the ______

Answer 17

yolk sac

Question 18

the yolk sac caused no mesentary in the abdominal cavity to be derived from the _______ and so most all of the mesentary of the abdomen is derived from the _____

Answer 18

dorsal wall

Question 19

the thorax is separated from the diaphram by:

Answer 19

septum transversum (ventral wall)

Question 20

the septum transversum grows out of the _____ and is called ______

Answer 20

ventral wall, somaticmesoderm

Question 21

four sections that become the diaphram are:

Answer 21

septum transversum, pleuroperitoneal folds, mesentery of the esophagus, secondary ingrowth from the mesenchyme from the body wall

Question 22

during the ______ phase, the GI forces its way into the thoracic cavity

Answer 22

elongation phase

Question 23

esophogus starts as:

Answer 23

two layer tube

Question 24

the esophogus elogates significantly while developing a muscular outer component from ______

Answer 24

splanchnic mesoderm

Question 25

the esophogus is _____ and and expands to occlude the lumen

Answer 25

endodermal derived epithelium

Question 26

_____ form and recanalize the lumen

Answer 26

vacuoles

Question 27

during the secondary vacualization phase, the esophogus reopens and the _____ tissue becomes more _____,

Answer 27

cuboidal, columnar

Question 28

growth factors are released from____ that signal the distal end of the esophogus to turn into the _____

Answer 28

the inside of the esophogus, circular muscle cells

Question 29

the endodermal tube signals for the ____ to turn into muscle distally, and more connective tissue proximally

Answer 29

splancnic mesoderm

Question 30

the lesser curvature of the stomach was _____ and the greater curvature was _____

Answer 30

anterior posterior

Question 31

the stomach turns (right), there is differential growth, and the dorsal mesentary becomes the ____ and the ventral mesentary becomes the _____

Answer 31

greater omentum, lesser omentum

Question 32

the ____ aspect of the tube grows faster than the______

Answer 32

posterior anterior

Question 33

along with the increased growth of the ____portion of the stomach, there is an increased growth of the ____

Answer 33

posterior, dorsal mesentary

Question 34

the anterior aspect of the peritoneal cavity is ___ layered and is derived from the ____

Answer 34

4, dorsal mesentary

Question 35

heterotropic gastric

Answer 35

cells from differentiating stomach result in acid producing cells in random places (SI, Trans colon, esophogus)

Question 36

at 1 month, the fetus will begin____ without it you have ____

Answer 36

drinking amniotic fluid, duodenal atresia

Question 37

not drinking a amniotic fluid results in :

Answer 37

Polyhydramnios

Question 38

Polyhydramnios is:

Answer 38

a medical condition describing an excess of amniotic fluid in the amniotic sac. It is seen in about 1% of pregnancies. It is typically diagnosed when the amniotic fluid index (AFI) is greater than 24 cm.

Question 39

just ____ to the stomach you have 2 diverticular show up. they are anterior ____ and posterior______

Answer 39

distal, liver bud that develops into a biliary system, dorsal pancreas

Question 40

the ___ is pulled posteriorly behind the ______

Answer 40

bile duct, duodenum

Question 41

the transition from the foregut to the hindgut is denoted where: the pancreas is formed

Answer 41

the common bile duct is rotated behind the duodenum and projects through the pancreas

Question 42

it is possible to find two tubes for the pancreatic duct because the accessory because

Answer 42

the head of the pancreas rotates around to fuse with the body

Question 43

coronary ligaments of the liver, this is where:

Answer 43

ventral mesentary never came together because the liver grew so fast and grew too large to be attaached

Question 44

the intestines start by making a _____, the ___ aspect of the loop rotates counterclockwise, it herniates out into the umbilical cord

Answer 44

hairpin loop, distal,

Question 45

the intestines are all attached by a ______ attached to the _____

Answer 45

dorsal mesentary, posterior wall (creating pockets

Question 46

the outer dorsal mesentary ends up fusing with the organs behind and creates ____

Answer 46

mesocolon

Question 47

stem cells in the gut start in the _____ and then shed off after _______.

Answer 47

crypt, 4 days

Question 48

the stem cells in the intestines sit on top of the ______

Answer 48

plica

Question 49

omphalocele:

Answer 49

the instestines are not absorbed back into the stomach but are covered with mesentary

Question 50

gastroschisis

Answer 50

not covered in peritoneal lining, develops out

Question 51

hind gut supplies:

Answer 51

inferior mesentaric artery

Question 52

the proctodeum is ____

Answer 52

end of the GI tract

Question 53

the ______ is the common sewer system for all things needing to be pumped out of the urinary system:

Answer 53

cloaca

Question 54

membrane in the ____eventually deteriorates and is covered posterior by ______

Answer 54

anus mesoderm

Question 55

membrane in the ____eventually deteriorates and is covered posterior by ______

Answer 55

anus mesoderm

Question 56

the center of your ischium region is the _____

Answer 56

peroneal membrane (serves as a wall from the future urinary system and future hindgut) 2

Question 57

shift from hindgut to proctode denoted by

Answer 57

petinate to white line (stratified squamous signs

Question 58

intraretroperitoneal organs

Answer 58

dj illeus, tranny cece signed stomachs with a pen | duodenum 1-4, jejunum ilium, transverse colon, cecum, sigmoid colon, stomach, appendix

Question 59

secondary retroperitoneal

Answer 59

2nd grade, colon powell had a duo, colon (ascending and descending, duodenum 2, 3

Question 60

retroperitoneal

Answer 60

REtroperitoneal, rectum, esophogus