- Anatomy. an antibody-secreting cell, derived from B cells, that plays a major role in antibody-mediated immunity.
Origin of plasma cell
First recorded in 1885–90
Also called plas·ma·cyte [plaz-muh-sahyt] /ˈplæz məˌsaɪt/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- An antibody-producing lymphocyte derived from a B cell upon reaction with a specific antigen.plasmacyte
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A lymphocyte that originates from a B cell and produces antibodies as part of a humoral immune response. See Note at antibody.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.