Exam 29: Development, Growth, Aging, and Genetics

What is the acrosomal reaction?

By the end of 8 weeks, the individual is considered a fetus because

Some epiblast cells migrate and emerge between the epiblast and endoderm as a new germ layer called the ________.

The embryonic membrane that completely encloses the embryo in a watery sac is the ________.

Which of the following structures is NOT involved in the formation of the face?

Which of the following chromosome anomalies can be found in either sex?

The embryonic disk is initially composed of ________.

The inclusion of ________ in a woman's diet during the early stages of her pregnancy significantly reduces the risk for neural tube defects in her developing embryo.

An embryo becomes a fetus about

The major difference between an embryo and a fetus is that

Which germ layer is covering of the exposed region of the tooth derived from?

The oropharyngeal and cloacal membranes, when opened, allow the ________ to open to the outside.

The greenish discharge from the lower digestive tract shortly after birth is called ________.

The prenatal period during which the major organ systems form is the ________ period.

If the secondary palate does not fuse, the result is a ________.

What event separates childhood from adolescence?

Before parturition,

Once the embryonic mass has 12 or more cells, it is called a ________.

The lungs develop from

Colostrum differs from milk in that it contains ________.