fetal abdo Flashcards
abdomen anatomy routinely scanned (7)
AC stomach liver kidneys bowel bladder cord insertion
anatomy not routine scan but may be imaged (5)
Biliary system spleen adrenals panc great vessels
anatomy that cant be visualized (3)
Bile ducts
ureuters
gonads
abdo compartments form from (2)
endoderm and mesoderm
endoderm forms (5)
stomach,colon,liver,panc and intestines
mesoderm forms (2)
kidneys and spleen
whole GI tract develops from
primitive gut
primitive gut is from
endoderm
dorsal part of _____ incorporated into the primitive gut
yolk salk
yolk sac stays connected to primitive gut by
vitelline duct
week ______ primitiv gut differentiates into
foregut,hindgut and midgut
forgut forms (4)
liver,GB, bile ducts and panc
midgut forms (3)
small intestine, appendix, part of transverse colon
organs arise from
developmental buds
what forms the liver, GB and Biliary
hepatic diverticulum
what is annular panc
panc tissue surrounds duodenum
what is panc divisum
pan ducts dont fuse
how does the spleen develop
independent from of abdo organs (as part of lymphatics)
Adrenal glands form from
neural crest cells (medulla) and mesodermal cells (cortex)
what liver lobe is bigger in fetus
left
what visualized more hepatic or portal veins
portal veins
most prominent vessel in the liver is ______ and it joins the _______
intrahepatic portal vein and joins LPV
intrahepatic vein becomes
lig teres
GB seen at ___ weeks
20
renals are ____ to kidneys
hypoechoic
GI develops at ___-___ weeks
9-11
bowel rotates how much during development
90 then 180
what is omphalocele
pathological abdominal wall defect occurs if bowel rotations fail to return by week 12
