Embryology of the GI tract Flashcards
1
Q
Which layer of the trigeminal disc do the inner linings of the digestive tract derive from?
A
endoderm
2
Q
What connects the midgut and the yolk sac?
A
vitelline duct
3
Q
What parts of the GI tract are derived from ectoderm?
A
epithelium of mouth + distal anal canal
4
Q
What are the 4 GI regions in embryology?
A
pharyngeal
foregut
midgut
hindgut
5
Q
Foregut derivatives
A
pharynx
lower resp tract
oesophagus
stomach
liver
biliary apparatus
pancreas
6
Q
What is the hindgut?
A
distal third of transverse colon to upper part of the anal canal
7
Q
What does the endoderm of the hindgut form?
A
superior 2/3 of anal canal
bladder
urethra
8
Q
A
