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atmosphere

 [at´mos-fēr]
1. the entire gaseous envelope surrounding the earth and subject to the earth's gravitational field.
2. the air or climate in a particular place. adj., atmospher´ic.
3. a unit of pressure, being that exerted by the earth's atmosphere at sea level; equal to 1.01325 × 105pascals (approximately 760 mm Hg). Abbreviated atm.

atm

atm

atmosphere (3).

atm

1 abbreviation for atmosphere.
2 abbreviation for atmospheric.

ATM

Ataxia telangiectasia mutated. A checkpoint kinase which transduces genomic stress signals to stop cell cycle progression and promote DNA repair, acting via p53, a tumour suppressor protein. Its cognate gene, ATM (see below), is mutated in ataxia telangiectasia, a rare neurodegenerative disease characterised by ataxia telangiectasias, increased chromosome fragility when exposed to ionising radiation and predisposition to lymphomas.

ATM (Gene)
A gene on chromosome 11q22-q23, which encodes a PI3/PI4 cell-cycle checkpoint kinase that phosphorylates, thereby regulating a broad range of downstream proteins—e.g., tumor suppressor proteins p53 and BRCA1, checkpoint kinase CHK2, checkpoint proteins RAD17 and RAD9, and DNA repair protein NBS1.

Mutated in
Ataxia-telangiectasia.

atm

Abbreviation for standard atmosphere.

ATM,

atm

atmosphere.
References in periodicals archive ?
With the growing use around the world of the ATM25 interface for ADSL-related applications, Agilent's goal is to make sure that the Internet Advisor anticipates and delivers the features that enterprise and public network managers need to keep their networks trouble-free," said Bill Mortimer, general manager of the Agilent Network Systems Test Division.
SingTel is using Efficient's ATM25 adapters in customers' PCs to enable multi-megabit download rates direct to their desktop.
Also, a bonding option of the ICS1887 functions with the ATM25 Desktop Alliance 25.
Voice may be carried to the desktop over the same wire that carries data, even video, via an ATM25 LAN.
12 /PRNewswire/ -- LSI Logic Corporation (NYSE: LSI) today announced it has added two key functions to its library of telecom-specific cores -- the CASCADE(TM) 110 Ethernet core that supports both 10Mbps and 100Mbps LAN environments, and the ATM25 TC, a transmission convergence core for 25.
Our SpeedStream 3010 ATM25 adapter card provides cost-effective support for PPP over ATM and enables seamless ATM connectivity directly to users' personal computers.