Embryology Review Worksheet

Inner, thinner layer of the primitive heart tubes
Outer, thicker layer of the primitive heart tubes
Visceral pericardium
This will form portions of the RV and LVOT
This will begin to form the five pairs of aortic arches
This is the distal bulbus cordis, that will eventually form the Aorta and PA
First system to function in the embryo
This will eventually form the TV and MV
Fetal circulation begins and ends at this structure
Oxygen & nutrient rich blood travel from the placenta through this structure
This structure helps to bypass blood from the portal system to the IVC in fetal circulation
This structure helps bypass blood from the pulmonary arteries to the Aorta
Oxygen depleted blood returns to the placenta via the
With baby's first breath, this decreases
With baby's first breath, pressure increases in the
The third arches become the
The fourth left arche becomes the
The fourth right arch becomes the
The left sixth arch becomes the
The right sixth arch becomes the
The left (seventh) segmental artery becomes the
The left dorsal aorta becomes the