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5 Written Questions

5 Matching Questions

  1. Vitelline duct
  2. Pretty much right where the anal membrane was, i.e. where the junction was between endoderm and ectoderm.
  3. Divided by urorectal septum into two parts: urogenital membrane and the anal membrane
  4. Gallbladder
    Ventral pancreas
    The stalk that connects liverbud to duodenum becomes common bile duct.
  5. Not known for sure, but perhaps because hematopoietic liver is so huge that there is simply no room.
  1. a Why does the midgut under umbilical herniation at week six?
  2. b The caudal and proximal parts of the hepatic diverticulum become what?
  3. c Embryological origin of the pectinate line?
  4. d What connects the primitive gut to the yolk sac?
  5. e What eventually happens to the cloacal membrane?

5 Multiple Choice Questions

  1. What is an annular pancreas?

  2. What is the top circle, and what does it supply?

  3. What is the bottom circle, and what does it supply?

  4. Dorsal bud of the pancreas gives rise to what structures of the pancreas?

  5. Ventral bud of the pancreas gives rise to what structures of the pancreas?

5 True/False Questions

  1. Patent urachus
    Urachal sinus
    Urachal cyst
    If the lumen of the median umbilical ligament fails to obliterate, what kind of structures can you have?


  2. At week six, midgut herniates in U-shaped "primary intestinal loop" into the cord. Loop attaches to the yolk sac via vitelline duct.

    When out in the cord, gut rotates 90 degrees CCW

    What is happening here?
    What happens right afterward?


  3. Distal esophagus
    How is the portal venous system connected to the systemic venous system?


  4. IleumWhat is the major hematopoietic organ of the embryo?


  5. Early fetal peroidWhat happens if the gut doesnt return to the abdomen?


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