Podcast
Questions and Answers
Which structure suspends the midgut loop from the dorsal abdominal wall?
Which structure suspends the midgut loop from the dorsal abdominal wall?
- Umbilical vesicle
- Mesentery (correct)
- Omphaloenteric duct
- Superior mesenteric artery
What is the reason for physiologic umbilical herniation during the sixth week of development?
What is the reason for physiologic umbilical herniation during the sixth week of development?
- Insufficient space in the abdominal cavity due to the growing liver and kidneys (correct)
- Narrowing of the omphaloenteric duct
- Rapid elongation of the midgut loop
- Abnormal fusion of the mesentery
What structures are derivatives of the midgut?
What structures are derivatives of the midgut?
- Jejunum, ileum, cecum
- Appendix, descending colon, sigmoid colon
- Sigmoid colon, rectum, anal canal
- Cecum, ascending colon, left half of the transverse colon (correct)
What allows communication between the midgut loop and the umbilical vesicle?
What allows communication between the midgut loop and the umbilical vesicle?
Which artery supplies the derivatives of the midgut?
Which artery supplies the derivatives of the midgut?
What causes projectile vomiting in case of stomach obstruction?
What causes projectile vomiting in case of stomach obstruction?
Which structure initially closes the cranial end of the primordial gut?
Which structure initially closes the cranial end of the primordial gut?
Which structure initially closes the caudal end of the primordial gut?
Which structure initially closes the caudal end of the primordial gut?
Which part of the adult anal canal is derived from the hindgut?
Which part of the adult anal canal is derived from the hindgut?
Which part of the adult anal canal is derived from the anal pit (proctodeum)?
Which part of the adult anal canal is derived from the anal pit (proctodeum)?
Which embryonic layer gives rise to the epithelium at the cranial ends of the alimentary tract?
Which embryonic layer gives rise to the epithelium at the cranial ends of the alimentary tract?
Which embryonic layer gives rise to the muscular and connective tissue layers of the alimentary tract?
Which embryonic layer gives rise to the muscular and connective tissue layers of the alimentary tract?
Which structure develops from the cecal swelling (diverticulum) during the sixth week of development?
Which structure develops from the cecal swelling (diverticulum) during the sixth week of development?
What is the result of the unequal growth of the walls of the cecum after birth?
What is the result of the unequal growth of the walls of the cecum after birth?
What is a common birth defect related to the rotation of the midgut?
What is a common birth defect related to the rotation of the midgut?
What is the result of nonrotation of the midgut (left-sided colon)?
What is the result of nonrotation of the midgut (left-sided colon)?
What is the initial appearance of the cecum and appendix during development?
What is the initial appearance of the cecum and appendix during development?
