The phrase "assumed to stem" is correct and usable in written English.
It can be used when discussing the origin or source of something that is believed to be derived from a particular cause or factor.
Example: "The symptoms of the disease are assumed to stem from a viral infection."
Alternatives: "thought to originate" or "believed to derive".
The material is assumed to contain flaws, and their growth is assumed to stem from crack tip plasticity.
When hyperactivity is found in children with severe hearing loss, it is often assumed to stem from frustrations they have communicating or socializing.
This difference is assumed to stem from the lower parameterized mortality, top trophic position and detritivorous diet of mesozooplankton in the model.
The minor differences are assumed to stem from limitations of the method itself and errors in calculation.
The disease is assumed to stem from an autoimmune response, which, in turn may be triggered by infectious or other environmental agents in genetically susceptible individuals [1, 5] (Fig. 1).
The data were assumed to stem from two different studies.
Expansion varied from stable, steady cell divisions for most colonies to some with limited divisions followed by degeneration due, we assume, to stem cells present in stable colonies versus committed progenitors in those that degenerated.
Promoters are hypothesized to enhance the growth of stem and intermediate cells, and initiators are assumed to cause stem and intermediate cells to give rise to intermediate and tumor cells, respectively.
»The crypts have long been assumed to harbour functional stem cells.« Neither of these two hypotheses on stem cell identity were supported by direct definitive evidence for 'stemness'stemness
The crypts have long been assumed to harbour functional stem cells.
Enlarging cells assumed to indicate radial stem growth were detected until early August and late-September in 2011 and end of August and mid-September in 2012.
