1- Contributes to the formation of the tubular foregut and hindgut
lateral folding of the embryonic body
lateral bending of the cranial end
lateral bending of the caudal end
lateral folding of the yolk sac

2- The portion of the gut still open to the yolk sac is the
foregut
midgut
hindgut
oropharyngeal membrane

3- The oropharyngeal membrane is a
ectodermal monolayer
endodermal-mesodermal bilayer
ectodermal-endodermal bilayer
endodermal monolayer

4- Inductive interactions between gut epithelia and surrounding mesenchyme initiate formation of
heart, major digestive glands and liver
digestive and endocrine glands, respiratory system and liver
heart, digestive and endocrine glands and respiratory system
respiratory system, endocrine glands and liver.

5- Not formed in association to gut induction
endocrine glands
respiratory system
liver
heart

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Answers:

1- Contributes to the formation of the tubular foregut and hindgut
Answer: lateral folding of the embryonic body

2- The portion of the gut still open to the yolk sac is the
Answer: midgut

3- The oropharyngeal membrane is a
Answer: ectodermal-endodermal bilayer

4- Inductive interactions between gut epithelia and surrounding mesenchyme initiate formation of
Answer: digestive and endocrine glands, respiratory system and liver

5- Not formed in association to gut induction
Answer: heart