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B cell

noun

, Biology.
  1. 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.
  2. Also called beta cell. a cell in the islet of Langerhans that produces and secretes insulin.


B-cell

noun

  1. another name for B-lymphocyte
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

B cell

  1. 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.
  2. Also called B lymphocyte
  3. Compare T cell

B-cell

  1. One of two main types of immune system lymphocytes ( compare T-cell ). B-cells originate and develop in the bone marrow and circulate throughout the blood and lymph fluids, recognizing foreign bacteria , viruses , and toxins and binding to them to facilitate their disposal by other cells.
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Word History and Origins

Origin of B cell1

1970–75; B cell ( def 1 ) perhaps B(one-derived) ; B cell ( def 2 ) B(ursa of Langerhans-derived)
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Example Sentences

In addition, Chihara's team could also identify a molecular marker for B cells producing anti-inflammatory signals, a sort of ID that enables tracing the cells' abundance.

Scientists should focus on the interactions between T and B cells to find better treatments for autoimmune disorders, such as rheumatoid arthritis, according to a new study from the University of Surrey.

The lab's findings were published in Nature Microbiology in the paper, "Multiple sclerosis patient derived spontaneous B cells have distinct EBV and host gene expression profiles in active disease."

Researchers led by Professor Christoph Hess have deciphered how the immune cells infected with EBV -- the so-called B cells -- are reprogrammed.

What makes this autoimmune reaction so deadly is that the TLRs also activate the body's second-line defense, the more powerful adaptive immune response, mobilizing T and B cells, macrophages, and other cells.

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