Embryology 2 Flashcards
1
Q
What structures are formed from the paraxial mesoderm?
A
Dermatome, myotome, sclerotome
2
Q
What is formed from the intermediate plate mesoderm?
A
Urogenital system
3
Q
What structures are formed by the lateral plate mesoderm?
A
Peritoneum, pleura, body cavities
4
Q
What structures are formed from the endoderm?
A
Gut and respiratory
5
Q
What structures are derived from the ectoderm?
A
Epidermis of skin
Neural tube
6
Q
When is teratogen sensitivity highest?
A
Weeks 3-8
7
Q
On what day of gestation does the heart start to beat?
A
Day 24
8
Q
How is the trilaminar disc formed?
A
Cells migrate from epiblast between layers, cells then displace hypoblast
