5 Written Questions
5 Matching Questions
- Attached to yolk sac via yolk stalk (vitelline duct)
Small bowel, proximal colon
- Early fetal peroid
- Septum transversum (mesoderm between the heart and the midgut)
What is the middle circle, and what does it supply?
- b What does the hepatic diverticum grow into?
- c When does insulin secretion begin?
- d What is attached to the leading edge of the herniating midgut?
- e What is the major hematopoietic organ of the embryo?
5 Multiple Choice Questions
- What happens if the gut doesnt return to the abdomen?
- What portion of the GI tract is important for neutralizing stomach acid?
- Embryological origin of the pectinate line?
- What structures are derived from the foregut?
- The caudal and proximal parts of the hepatic diverticulum become what?
5 True/False Questions
Removes last bit of extra water
Stores residual stool until convenient to discharge
Prevents bacterial and parasitic invasion. → Why is the colon important?
Tourneaux and Rathke folds
Tourneaux comes in from median, while Rathke come in from the sides. → What folds are included in the urorectal septum?
Endoderm-derived hepatocytes, biliary tree.
Mesoderm-derived connective tissue, hematopoietic, and Kupffer cells → What does the cranial part of the hepatic diverticulum grow into?
Imperforate anus, due to either a failure of the anal membrane to break down, or if the urorectal septum position is abnormal. → What eventually happens to the cloacal membrane?
If anal membrane fails to break down, or if urorectal septum position is abnormal. → What might give rise to an imperforate anus?