5 Questions
Where does the secondary heart field appear by the 21st day of development?
Ventral to posterior pharynx
Which structure is derived from part of the intraembryonic coelom?
Pericardial cavity
Where does the splanchnopleuric mesoderm come to lie after the establishment of the head fold?
Dorsal to the pericardial cavity
What does the myoepicardial mantle give rise to during heart development?
Cardiac muscle (myocardium)
Which part of the heart tube invaginates into the pericardial sac?
Dorsal side
This quiz covers the embryological development of the heart, focusing on the formation of cardiogenic areas, blood islands, heart tubes, and the role of splanchnopleuric mesoderm. It also includes details about the formation of dorsal aortae and the underlying primary heart field.
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