There is one other NGF receptor besides TrkA, called the "LNGFR" (for "Low-affinity nerve growth factor receptor ").
ðɛɹ ɪz wˈʌn ˈʌðɚɹ ˌɛndʒˌiːˈɛf ɹᵻsˈɛptɚ bᵻsˌaɪdz tˌiːˌɑːɹkˈeɪ ˈeɪ, kˈɔːld ðə "ˌɛlˌɛndʒˈiːˌɛfˈɑːɹ" fɔːɹ "lˈoʊɐfˈɪnᵻɾi nˈɜːv ɡɹˈoʊθ fˈæktɚ ɹᵻsˈɛptɚ ".