memory cell


Also found in: Dictionary, Thesaurus, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.

memory cell

A cell derived from B or T lymphocytes that can quickly recognize a foreign antigen to which the body has been previously exposed. Memory T cells stimulate T helper lymphocytes and cytotoxic T cells; memory B cells stimulate the production of antigen-specific antibodies by B plasma cells. Both types of memory cells survive for years, providing a durable adaptive immune response against foreign antigens.
See also: cell

memory cell

(immunology) a LYMPHOCYTE that has had an initial exposure to a specific ANTIGEN and undergone limited proliferation, so that it will respond more quickly than an unprimed lymphocyte when subsequently exposed to that antigen. Such cells form the basis of immunological memory.
References in periodicals archive ?
The proposed approach that used reinforcement learning algorithm for computation of memory cells of artificial immune system aimed to obtain a new classifier that is faster in real time, has less memory cells, has higher accuracy in results, and more effectively.
Due to the low thickness, the layers of the flash memory cells are insensitive to ion energies greater than approximately 1 MeV.
In order to quench the insatiable demand for bigger storage space with lower cost per bit, the persistent effort of technology scaling of memory cell dimension has been driven by Moores law.
The concept of resistive decoupling of memory cells was successfully applied to a Si CMOS static RAM to provide immunity to single-event upset.
For this reason, placing an MTJ directly on the via holes in STT-MRAMs has been avoided until now, although it increases the size of the memory cell.
The remains of holes flow into the FG, reducing the number of electrons within it, thus influencing the logical state of a memory cell.
"BeSang expects that a 0.5F2 effective cell size will change the rules of the game in the flash memory market because it is 8 times smaller than conventional 4F2 NOR flash memory cell technologies currently available.
According to TI the 45-nm SRAM memory cell occupies 0.24 square microns, making it up to 30% smaller than other 45-nm memory cell devices currently announced and reportedly around 30% smaller than Intel's.
The primary application for this system is in the electrical testing of semiconductors, but also reaches into static random access memory cell work, novel conductive polymer device development, and testing of microelectromechanical prototypes.
The 32-megabit device features a ''chained'' memory cell structure expected to facilitate further advances to higher-density FeRAM, the company said.