HFF - Embryology Flashcards
________ is the big event of week 3 and begins with formation of the _______ _______.
Gastrulation begins with formation of the primitive streak
What germ layer does the notochord form from?
Mesoderm
What do the cloacal and oropharyngeal membranes go on to form, respectively?
Cloacal –> anus
Oropharyngeal membrane –> oral cavity
Formation of the intraembryonic coelom splits the _______ mesoderm into the _______ and _______ mesoderm.
the IEC splits the lateral mesoderm into the somatic (dorsal side) and splanchnic (ventral side) mesoderm
Somites form from the ________ mesoderm and go on to form the….(3)?
Somites form from the paraxial mesoderm and go on to form the vertebrae, ribs, muscles.
What does the intermediate mesoderm go on to form?
Kidneys, gonads
Kidneys Intermediate gonaDS
Describe the fate of the lateral mesoderm.
Splits to somatic and splanchnic mesoderm. Splanchnic forms the visceral pleura and somatic forms the parietal pleura.
In general, what does the ectoderm go on to form?
Skin, nervous system
In general, what does the mesoderm go on to form?
The “means” - muscles, heart, skeleton