Embryology — Flashcards

Flashcard 11: branchial pouches

Answer: endoderm

Flashcard 12: branchial clefts

Answer: ectoderm

Flashcard 13: The 5th aortic arch forms the _____ artery.

Answer: nothing - it degenerates

Flashcard 14: The 3rd aortic arch forms the _____ artery.

Answer: common and internal carotid

Flashcard 15: vitelline fistula

Answer: failure of vitelline duct to close

Extra: meconium discharge from umbilicus

Flashcard 16: The umbilical vein drains into the _____ via the _____.

Answer: IVC

Flashcard 17: Identify 7

Answer: umbilical vein

Flashcard 18: Identify 6

Answer: umbilical artery

Flashcard 19: urethra

Answer: mesoderm

Flashcard 20: kidneys

Answer: mesoderm