6 Questions
Initially, the paired dorsal aortae run through the entire length of the ______.
embryo
Later, the caudal portions of the paired dorsal aortae fuse to form a single lower thoracic/abdominal ______.
aorta
Of the remaining paired dorsal aortae, the right regresses and the left becomes the primordial ______.
aorta
The unpaired ventral branches of the dorsal aorta supply the umbilical vesicle, allantois, and ______.
chorion
The paired umbilical arteries pass through the connecting stalk (primordial umbilical cord) and join the vessels in the ______.
chorion
The umbilical arteries carry poorly oxygenated fetal blood to the ______.
placenta
Learn about the development of blood vessels in embryos, including the fusion and regression of dorsal aortae, and the supply of different structures by ventral and vitelline arteries.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
