Th9 cell

https://doi.org/10.1351/goldbook.13721
Helper T lymphocyte (Th) producing interleukin IL-9, which stimulates mast cells.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1251 [Terms] [Paper]