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...of development, including social interaction and communication, or by the presence of repetitive, stereotyped behaviors.

Clinically evident disease resulting from the presence of pathogenic microbial agents, including pathogenic viruses, pathogenic ba

...mals (aves) that can be distinguished from all other living animals by the presence of feathers.

...cytosis take place; they frequently swell (i.e., [[lymphadenitis]]) in the presence of infection

...ation of urine, hair, blood, sweat, or oral fluid samples to determine the presence or absence of specified drugs or their metabolized traces.

...] beginning by engagement with Palestinian Christians; opposes the Israeli presence in the [[Occupied Territories]]

Act of communication in which human beings intentionally make their presence known to each other, to show attention to, and to suggest a type of relatio

...that can stop or start an electric current as a result of the absence (or presence) of a control signal.

The flow or presence of electric charge; the flow of electricity is an important carrier of ener

...shifting and splitting of spectral lines of atoms and molecules due to the presence of an external static electric field.

...examination in trauma rather than a separate study, intended to detect the presence of bleeding in the abdomen

The presence of contaminants or pollutant substances in the air (air pollutants) that in

...ourist center, featuring historic architecture, and with a large U.S. Navy presence.

...lance between surface radiation and top-of-atmosphere radiation due to the presence of greenhouse gases.

Tests used to detect the presence of the human immunodeficiency virus in serum, saliva, or urine, to detect H

...hand rule for the direction of deviation of a compass needle caused by the presence of a straight, electric-current carrying, wire.

...ude>{{Subpages}}</noinclude>Clotting time of [[plasma]] recalcified in the presence of excess [[tissue thromboplastin]], which measures the interactions of [[f

Extraction of information from complex signals in the presence of noise, generally by conversion of the signals into digital form followed

...se]], which breaks down the neurotransmitter [[acetylcholine]]; continuous presence of acetylcholine causes continuous muscle contraction

...isting absolutely, self-sufficiently and objectively irrespective of human presence.