The term neurotrophic factor generally refers to these four neurotrophins, the GDNF family of ligands, and ciliary neurotrophic factor (CNTF), among other biomolecules.
O termo factor neurotrófico xeralmente refírese a estas catro neurotrofinas, aos ligandos da familia GDNF e ao factor neurotrófico ciliar (CNTF), entre outras biomoléculas.