NEONATAL GI EMBRYOLOGY QUIZ |
LATEST UPDATE WITH 100% CORRECT
ANSWERS { GRADED A+}
GI development begins during ? - ✔✔week 4 of gestation
the three germ layers (____, ______, and ____) differentiate to form
various GI structures - ✔✔endoderm, mesoderm, ectoderm
the endoderm gives rise to the? - ✔✔gut, epithelium, and glands
the mesoderm gives rise to the? - ✔✔parietal and visceral peritoneum
the ectoderm gives rise to the? - ✔✔epithelium of the upper and lower
GI tract and the distal portion of the anal canal
, Early cranial and caudal folding, during week 4 of gestation, causes the
ends of the primitive tube to come together like purse strings,
incorporating the ______ within the tube - ✔✔yolk sac
An __________ covers the cranial end, which regresses later during
development and gives rise to the foregut; subsequent rupture of the
_________ creates an opening making way for the oral cavity -
✔✔oropharyngeal membrane
A _______ covers the caudal end, which regresses over time to permit
formation of the hindgut - ✔✔cloacal membrane
The middle of the primitive gut (midgut) remains connected to the yolk
sac through the ______; during lateral-edge fusion, the vitelline duct
regresses and failed regression is associated with the formation of
_______ - ✔✔vitelline duct
Meckel's diverticulum
LATEST UPDATE WITH 100% CORRECT
ANSWERS { GRADED A+}
GI development begins during ? - ✔✔week 4 of gestation
the three germ layers (____, ______, and ____) differentiate to form
various GI structures - ✔✔endoderm, mesoderm, ectoderm
the endoderm gives rise to the? - ✔✔gut, epithelium, and glands
the mesoderm gives rise to the? - ✔✔parietal and visceral peritoneum
the ectoderm gives rise to the? - ✔✔epithelium of the upper and lower
GI tract and the distal portion of the anal canal
, Early cranial and caudal folding, during week 4 of gestation, causes the
ends of the primitive tube to come together like purse strings,
incorporating the ______ within the tube - ✔✔yolk sac
An __________ covers the cranial end, which regresses later during
development and gives rise to the foregut; subsequent rupture of the
_________ creates an opening making way for the oral cavity -
✔✔oropharyngeal membrane
A _______ covers the caudal end, which regresses over time to permit
formation of the hindgut - ✔✔cloacal membrane
The middle of the primitive gut (midgut) remains connected to the yolk
sac through the ______; during lateral-edge fusion, the vitelline duct
regresses and failed regression is associated with the formation of
_______ - ✔✔vitelline duct
Meckel's diverticulum
