start stage end stage ionocyte neuromast-associated ionocyte zfinf ZFA:0005962 zebrafish_anatomy Ionocytes associated with neuromasts. Nm ionocytes are not present at the time of neuromast deposition, and are derived from basal keratinocytes surrounding neuromasts. Nm ionocyte progenitors migrate into neuromasts as pairs of cells. The invasion process is triggered in response to changing environmental stimuli such as salinity and pH. 2024-08-15T15:20:01Z unknown adult