Which one of the following tissues gives rise to nervous system and is formed during gastrulation phase of embryonic development?
Archenteron
Blastopore
Ectoderm
Mesoderm
Endoderm
A
Endoderm
B
Archenteron
C
Blastopore
D
Ectoderm
E
Mesoderm
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Solution
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Ectoderm is the primary germ layer formed during gastrulation phase of embryonic development. The ectoderm differentiates to form the nervous system (spine, peripheral nerves and brain), the epidermis (the outer part of integument) as well as the lining of organs.
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