In the initiation of limb development,the expression and secretion of ____________ by local mesodermal cells stimulate the overlying ectoderm to secrete fibroblast growth factor-8.
A) Sonic hedgehog
B) Fibroblast growth factor-10
C) Bone morphogenetic protein-7
D) Msx-1
E) None of the above
Correct Answer:
Verified
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