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host
(redirected from host cells)

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson 0.01 sec.
Host [Lat.,=sacrificial victim], in Roman Catholic practice, consecrated wafer of the Eucharist Eucharist (y`kərĭst) [Gr.
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. The bread used is pure white and unleavened, baked in small disks. The Hosts not consumed at Mass Mass, religious service of the Roman Catholic Church, which has as its central act the performance of the sacrament of the Eucharist . It is based on the ancient Latin liturgy of the city of Rome, now used in most, but not all, Roman Catholic churches.
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 are set aside especially for the viaticum, for the sick, and for adoration, as at benediction benediction [Lat.,=blessing], solemn blessing usually administered in the name of God by a priest or a minister. The temple worship at Jerusalem had fixed forms of benedictions, and Christians have always given them an important place in ceremony, especially at the
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.

host

(1) A computer that acts as a source of information or signals. The term can refer to any computer, from a centralized mainframe to a server to a client PC (user's machine). In a network, clients and servers are hosts because they are both sources of information in contrast to network devices, such as routers and switches, which are responsible only for directing traffic. See host adapter and host name.

(2) To have in one's possession. When you "host a computer system," the system is running in your facility. It is technically accurate to say that "the company hosts many hosts," but such usage would only sound strange.


host
1. Biology
a. an animal or plant that nourishes and supports a parasite
b. an animal, esp an embryo, into which tissue is experimentally grafted
2. Computing a computer connected to a network and providing facilities to other computers and their users
3. the owner or manager of an inn

Host
Christian Church the bread consecrated in the Eucharist

host [hōst]
(biology)
An organism on or in which a parasite lives.
The dominant partner of a symbiotic or commensal pair.
(chemistry)
A crystalline lattice or receptor molecule for the strong and selective binding of a cationic, anionic, or neutral organic, inorganic, or biological substance (guest) by means of electrostatic, hydrogen-bonding, van der Waals, or donor-acceptor interactions. Examples include clathrates, crown ethers, cryptands, cyclodextrins, calixarenes, cavitands, cyclophanes, and cryptophanes. Also known as host structure, host substance.

1.(networking)host - A computer connected to a network.

The term node includes devices such as routers and printers which would not normally be called "hosts".
2.(communications)host - A computer to which one connects using a terminal emulator.


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Stanley Falkow's investigations into the intimate relationships between bacteria and host cells followed his comment that, "The microbe is just trying to make a living.
Recent studies have shown that Toxoplasma gondii stimulates host cells through TLR2 and TLR4, activates B lymphocytes, NK and NKT cells, and stimulates Interferongamma and NO production.
But when too many host cells die, bacteria can kill a host before they're ready to jump ship--thus hurting the bacterial species' chances for survival.
 
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