12 Questions
What is the primary function of the connecting stalk?
To connect the mesoderm with trophoblasts
What is the main component of Wharton's jelly?
Mucous connective tissue
What is the function of the umbilical vessels?
To carry non-oxygenated blood from the fetus to the placenta
What is the length of the umbilical cord at full term?
About 50 cm
What is the function of the vitello-intestinal duct?
To disappear during fetal development
What is the characteristic shape of the umbilical cord?
Twisted
What is the location of the allantois in the connecting stalk?
At the proximal part
What happens to the extra-embryonic coelom during development?
It disappears after sometime
What is the function of the amniotic sheath in the umbilical cord?
To provide a tubular covering
What is the direction of blood flow in the two umbilical arteries?
Towards the placenta
What is the fate of the vitello-intestinal duct?
It disappears at about one month
What allows the fetus to float in the amniotic cavity?
The amniotic fluid
This quiz covers the formation and structure of the connecting stalk and umbilical cord in embryonic development. Learn about the different parts of the connecting stalk, including the allantois, umbilical vessels, and amnion. Test your knowledge of this critical stage in fetal development.
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