memory cell

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Related to Memory cells: Memory T cells, memory B cells

memory cell

n.
A B cell or T cell that has developed during an initial immune response to an antigen and can be quickly activated upon subsequent exposure to the same antigen.

mem′ory cell`


n.
a long-lived cell of the immune system that has previously encountered a specific antigen and that upon reexposure produces large amounts of antibody (memory B cell) or rapidly initiates cell-mediated immunity (memory T cell).
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By artificially activating memory cells in the bottom part of the brain's hippocampus, negative memories can become even more debilitating.
It uses a stacked architecture to arrange the memory cells within an SSD, instead of the planar or flat arrangement in past implementations.
In order to achieve significant increase in density, memory cells are moved to the third dimension by stacking cells either horizontally or vertically on the top of each other to conduct charge through NAND strings.
Moreover, single electron transistors are also used for memory cells. Single electron transistor is progressing towards logic applications to improve performance of ultra-large-scale integrated circuits (ULSI) and metal oxide semiconductor field effect transistor.
There seems little doubt what Jeremy Corbyn, Nicola Sturgeon and now the SNP leader in the Commons, Ian Blackford, scream at us passes through without even registering, whereas those who deliver in a quieter, calmer more respectful way, triggers more of our inquisitive senses and memory cells!
T effector memory cells which are implicated in many T cell mediated autoimmune disorders, including rheumatoid arthritis, lupus and multiple sclerosis.
Preterm cord blood was characterized by a population of central memory cells with a type 1 T helper phenotype, which was not seen in term infants, and by an increase in maternal microchimerism.
Measles may throw the body into a much longer-term state of "immune amnesia," where essential memory cells that protect the body against infectious diseases are partially wiped out, said the study appeared in the journal Science.
If our lymphocytes are able to mount a counter-attack in time, we recover from our illness and as a bonus we get immune from subsequent infection by the same organism because in the aftermath of the initial infection, our lymphocytes, aside from producing antibodies also produced memory cells. These cells can immediately recognize the same microorganism should it infect us again and mount a massive and immediate counter attack (i.e., produce numerous antibodies) that will eliminate the invaders without us getting sick or even noticing we got infected.
(iii) "Primary" Breg memory cells = [CD19.sup.+][CD24.sup.hi][CD38.sup.neg]