B cell
Americannoun
-
Also called B lymphocyte. a type of lymphocyte, developed in bone marrow, that circulates in the blood and lymph and, upon encountering a particular foreign antigen, differentiates into a clone of plasma cells that secrete a specific antibody and a clone of memory cells that make the antibody on subsequent encounters.
-
Also called beta cell. a cell in the islet of Langerhans that produces and secretes insulin.
noun
-
Any of the lymphocytes that develop into plasma cells in the presence of a specific antigen. The plasma cells produce antibodies that attack or neutralize the antigen in what is called the humoral immune response. B cells mature in the bone marrow before being released into the blood.
-
Also called B lymphocyte
-
Compare T cell
Etymology
Origin of B cell
1970–75; B cell ( def. 1 ) perhaps B(one-derived) ; B cell ( def. 2 ) B(ursa of Langerhans-derived)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, when this B cell metabolism is over-active, as it is in MS, the signaling results in abnormal myeloid as well as T cell responses which have been implicated in MS symptom flare-ups.
From Science Daily • May 16, 2024
In fact, along with DCs, also T and B cell types of the adaptive immune system started to reach their highest numbers.
From Science Daily • May 6, 2024
In a 2022 Science paper, Schief and colleagues reported that 97% of the 36 people who received the vaccine developed the B cell antibody gene mutations needed to progress toward becoming broadly neutralizing.
From Science Magazine • Mar. 1, 2024
That would mean priming, shepherding, and polishing multiple B cell lineages.
From Science Magazine • Mar. 1, 2024
A cell whose resistance becomes greater as the battery power becomes greater, and vice versa, I call an "L B cell" signifying Like the Battery power.
From Scientific American Supplement, No. 492, June 6, 1885 by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.