neonatal tolerance

https://doi.org/10.1351/goldbook.13505
Tolerance to specific foreign antigens induced by the exposure of a bird or mammal to the foreign antigens during embryonic or neonatal life, depending upon species.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1220 [Terms] [Paper]