Exam 17: Development and Aging

Cells within the morula ____.

Which phase of development occurs just prior to the postnatal period? ​

The folding of tissue around the neural plate and notochord is known as ____. ​

Which extraembryonic membrane produces early blood cells and portions of the digestive tract? ​

Which of the following is the organ for maternal-embryo exchange? ​

How many types of differentiated cells are in the body of an adult? ​

A morula contains about how many cells? ​

Which structure gives rise to structures of face, neck and mouth? ​

Which structures are paired blocks of mesoderm found in the embryonic disc? ​

The female hormones that participate in milk production for the newborn are ____. ​

Blood vessels that will enter the umbilical cord come from the ____. ​

Which of the following is true concerning postnatal development? ​

For the first few days after birth, the mammary glands produce a pale fluid rich in proteins, antibodies, minerals, and vitamin A known as ____.

Explain the hormonal control of milk production and ejection.

HCG is secreted by the ____. ​

Which of the following is NOT associated with a fetus in the second trimester? ​

The inner cell mass of cells develops into the ____. ​

Beta amyloid plaques are most often seen in persons suffering from ____. ​

Which drug, if taken during pregnancy, results in infants with severely deformed arms and legs? ​

Cleavage division convert the zygote into the ____.