noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   a molecule found on the surface of mature B cells and to a lesser extent on some immature B cells, helping to prevent the overactivation of the immune system and the development of autoimmune diseases

Etymology

from cluster of differentiation-22

Related phrases

b cell

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.