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Which surface landmark lies directly anterior to the fourth thoracic vertebra?

Identify the structure indicated by the green arrow on the lumbar vertebra.

Which structure serves as the boundary separating the thoracic cavity from the abdominal cavity?

The trachea extends from the larynx inferiorly, ending at which structure?

Arrange the following facial and neck structures in order from inferior to superior:

Which body habitus is characterized by a short, wide trunk, heavy bony framework, excessive body weight, and a high-riding alimentary tract?

Match the letters in the image below with the the morphogen that is critical in patterning the rostro-caudal axis in the developing embryo.

Ephrin is normally expressed in the caudal/posterior half of each somite, and neural crest migrates specifically through the rostral/anterior half of somites. If you generated a mouse that overexpresses the Ephrin gene in somites, as shown below, you would expect the neural crest  __________ . Pick the best ending for this sentence.

Match the letters in the images below of E11.5 mouse embryos with the best descriptor of the phenotype. The yellow arrows denote regions that have not developed correctly.  

The experiment shown below demonstrates the molecular effects of _________, in specifying _________ neural tube fates. Fill in the blanks.