io tairongo
1. (noun) sensory nerve.
Ko te io tairongo: Ko tā ēnei ioio he kawe i ngā karere o ngā hanga tairongo (ngā whatu, ngā taringa, te ihu, te arero, te kiri) ki te aho tuaiwi me te roro (RP 2009:345). / Sensory nerve: These nerves carry the messages of the sensory organs (the eyes, ears, nose, tongue and skin) to the spinal cord and the brain.