Assertion: ngf's activity | /r/HasProperty | restricted to cell
Facets:
value: in the peripheral nervous system
type: LOCATION
Source sentences:
text: Silvio Aaron (the same one who was first author on the NGF purification paper discussed above) appreciated that in the peripheral nervous system, the activity of nerve growth factor was restricted to cells that were secreting catecholamines (epinepherine and norepinepherine), while it had no effect on cells that secreted acetylcholine.