Neurolation is the differentiation of ……
a) brain
b) spinal cord
c) lungs
d) both a and b
The process of neurolation is induced by chemical signals from the……….
a) ectoderm
b) endoderm
c) notochord
d) all of these
Explanation: notochord is the rod of mesoderm that defines the body axis
Which of the following overlying the notochord thickens, forming the neural plate and then starts to fold inward as neural groove?
a) ectoderm
b) mesoderm
c) endoderm
d) all of these
By the day….the superior margins of the neural folds fuse forming a neural tube.
a) 16
b) 22
c) 50
d) 90
The event in organogenesis is neurolation; the differentiation of ……..
a) ectoderm
b) mesoderm
c) endoderm
d) none of these
When neural tube pinches off, which of the following covered it?
a) ectoderm
b) mesoderm
c) endoderm
d) all of these
