Sentence examples for an uncertain origin from inspiring English sources

Some systems have an uncertain origin, such as the Germanic orthography known as runes.

Until recently, Ames was seen as a germ that had an uncertain origin in nature and was locked away in several laboratories around the country.

If we need a geographical representation of the environmental phenomena, we realize that often they have an uncertain origin, even about their spatial dimension (to be precise the boundaries that define them are also uncertain and variable over the time).

However, adult lung stem cell research is still in its infancy and most previous studies have focused on the proximal airways (Johnson and Hubbs, 1990; Engelhardt et al, 1995; Hong et al, 2004) or isolated cells of an uncertain origin and controversial stem cell potential (Fujino et al, 2011; Kajstura et al, 2011).

Family VI elements have LTRs and part of the gag sequences that are extremely similar to family VII elements, while the rest of the gag and the env sequences are very similar to those in family IVc 4) Acquisition of some family IIIa elements of an env of uncertain origin, generating an additional branch of elements in the env-based tree, that we named IIIa-rec.

Hubert & Pirsson worked in simple brick and brownstone, with terra-cotta trim, and at the top, jerkin-head gable windows, a term of uncertain origin that describes a gable with a nipped-off point.

But treating a violin of uncertain origin like a Louis Vuitton knock-off does not put PayPal in a good light.

On September 21, a fire of uncertain origin destroyed a quarter of New York City.

Paul outs Harrison about the politician's illicit trip to a Mexican clinic in Juarez where he was transplanted with a heart of uncertain origin by a certain "Doctor Navarro".

The lowest effective centre of power was the village commune (obshchina), an institution of uncertain origin but great antiquity, which had long had the power to redistribute land for the use of its members and to determine the crop cycle, but which now also became responsible for collecting taxes on behalf of the government.

But in such moments of disorientation, it is easy to see why this lovely but confounding landscape was called "the dark and bloody ground," a name of uncertain origin that goes back for centuries.