innate immunity

https://doi.org/10.1351/goldbook.13335
Immunity that is not intrinsically affected by prior contact with antigen, i.e., all aspects of immunity not directly mediated by lymphocytes.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1194 [Terms] [Paper]