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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 ?
ATM25, which provides a proven match for interfacing to an ADSL modem on the customer premises, is offered as part of an ATM over ADSL solution by telecommunications companies in several countries.
SingTel is using the Efficient ATM25 adapters in pre-configured PCs sold to customers by SingTel, and as part of an installation service bundle for customers who already have systems.
Voice may be carried to the desktop over the same wire that carries data, even video, via an ATM25 LAN.
Our SpeedStream 3010 ATM25 adapter card provides cost-effective support for PPP over ATM and enables seamless ATM connectivity directly to users' personal computers.