double-negative cell

https://doi.org/10.1351/goldbook.13101
Immature T cell in the thymus that lacks expression of the two coreceptors, CD4 and CD8.
Note: In a normal thymus, double-negative cells represent about 5 % of thymocytes.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1159 [Terms] [Paper]