Assertion: neocortex's neuron | /r/HasProperty | labeled with hrp
Facets:
value: retrogradely
type: DEGREE
value: from visual cortical areas
type: LOCATION
Source sentences:
text: Many layer 2/3 neurons in adult ferrets could be retrogradely labeled with HRP from visual cortical areas 18 and 19, while about half of the neurons in layer 6 were found to project to the lateral geniculate nucleus (LGN).