12-07-2008, 03:02 PM
21. Dorsal root ganglia and the sensory ganglia of the trigeminal, facial, vestibulocochlear, gloss pharyngeal, and vagus nerves are derived from ?
a.neural crest cells
b.neruoblasts derived from the neural tube
c.intraepithelial cells of the neural tube
d.somites
e. undifferentiated mesenchyme
a.neural crest cells
b.neruoblasts derived from the neural tube
c.intraepithelial cells of the neural tube
d.somites
e. undifferentiated mesenchyme