PsychologyAugust 4, 2026
microchimerism
MY-kro-ky-MIHR-ih-zum
Definition
The presence of a small number of genetically distinct cells from one individual living within another individual.
Etymology
Derived from the Greek 'mikros' meaning small and 'chimaira' (chimera), referring to the mythological monster made of parts from different animals, representing the presence of two genetically different cell populations in one body.
In the news
The author uses this biological concept to illustrate that a mother is literally and permanently altered by her children at a cellular level, suggesting that her identity as a parent is physically integrated into her being.
I Was Told I'm 'Just a Mom With a Side Hustle.' Here's What Those Words Reveal About Modern Business and Motherhood.
Read the full article ↗entrepreneur.com