Exam 3: Basic Embryology

The outer membrane of the amniotic sac is called the amnion.

The epiblast develops a primitive streak during days 14-15, the initial cells that ingress through the primitive streak become this germ layer.

Endoderm forms many glands, such as those associated with the gastrointestinal tract.

The three primary germ layers are the endoderm, myotome, and exoderm.

All major organs are present in rudimentary form.

Which of the following is not a property of mesenchyme?

This layer will give rise to the bones, ligaments and joints of the embryonic limbs.

Which of the following is endodermal in origin?

This develops into the lining of the gastrointestinal tract.

The middlemost embryonic germ layer to develop is