Definition of B cell in English:

Share this entry

B cell


A lymphocyte not processed by the thymus gland, and responsible for producing antibodies. Also called B lymphocyte. Compare with T cell.
Example sentences
  • Three important kinds of lymphocytes are T-cells, B-cells, and Natural Killer Cells.
  • ‘Rituxan works on a component of the immune system called B-cells,’ Dr. Hawker said.
  • This finding is also consistent with the known high levels of expression of TLR4 on macrophages, dendritic cells, and B-cells.


B for bursa, referring to the organ in birds where it was first identified.

For editors and proofreaders

Syllabification: B cell

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.