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T cells are one of the important types of white blood cells of the immune system and play a central role in the adaptive immune response. T cells can be distinguished from other lymphocytes by the presence of a T-cell receptor (TCR) on their cell surface. T cells are born from hematopoietic stem cells, [1] found in the bone marrow.
AT&T was founded as Bell Telephone Company by Alexander Graham Bell, Thomas Watson and Gardiner Greene Hubbard after Bell's patenting of the telephone in 1875. [23] By 1881, Bell Telephone Company had become the American Bell Telephone Company. [24]
Twitch is an American video live-streaming service that focuses on video game live streaming, including broadcasts of esports competitions, in addition to offering music broadcasts, creative content, and "in real life" streams.
T Coronae Borealis (T CrB), nicknamed the Blaze Star, is a binary star and a recurrent nova about 3,000 light-years away in the constellation Corona Borealis. [11] It was first discovered in outburst in 1866 by John Birmingham, [12] though it had been observed earlier as a 10th magnitude star. [13] It may have been observed in 1217 and in 1787 ...
The United States presidential line of succession is the order in which the vice president of the United States and other officers of the United States federal government assume the powers and duties of the U.S. presidency (or the office itself, in the instance of succession by the vice president) upon an elected president's death, resignation, removal from office, or incapacity.
In physics, a mass balance, also called a material balance, is an application of conservation of mass [1] to the analysis of physical systems.By accounting for material entering and leaving a system, mass flows can be identified which might have been unknown, or difficult to measure without this technique.
He struggles to balance keeping his godfather safe and fulfilling his duties to the British, especially under the eye of Lieutenant Knox, who is determined to find and kill Murtagh. Despite Murtagh's pleas for Jocasta to return his love for her, she moves forward with her fourth marriage, choosing the safety and security of her plantation's ...
Soon after the code words were developed by ICAO (see history below), they were adopted by other national and international organizations, including the ITU, the International Maritime Organization (IMO), the United States Federal Government as Federal Standard 1037C: Glossary of Telecommunications Terms [5] and its successors ANSI T1.523-2001 [6] and ATIS Telecom Glossary (ATIS-0100523.2019 ...