Assertion: ganglion's neuron | /r/Desires | exogenous factors
Facets:
value: for development
type: PURPOSE
Source sentences:
text: Dissociated ciliary neurons from E5 and E6 ganglia survive and extend neuntes in culture in the absence of added growth factors, whereas neurons from older ganglia require exogenous factors for development (Manthorpe et al., 1981a).