The phrase "a number of pathways" is correct and usable in written English.
It can be used when referring to multiple routes, options, or methods available for achieving something.
Example: "In our research, we identified a number of pathways that could lead to more effective treatments for the disease."
Alternatives: "several routes" or "multiple avenues".
Looking into the future, we can see a number of pathways for companies to achieve business success, via strategy, technology, operations, etc.
In her recent book, Wolf has revealed that, in women, the brain and the vagina are directly associated via a number of pathways, and a woman's consciousness and mental ability are dependent on the functioning of her vagina.
Increasing evidence links SDB to the risk of dementia, mediated via a number of pathways, some of which may be attenuated by low-dose aspirin.
These chemicals reach estuarine and coastal systems through a number of pathways, depending on their life cycle: extraction, manufacturing, transport, use, and disposal.
A number of pathways have been implicated using focused studies of 'selected' biomolecules rather than a global analysis of signal pathways.
The current advances in molecular optical imaging will help in early disease diagnoses, functioning of a number of pathways and finally help speed drug discovery.
There are a number of pathways.
Algal extracts target a number of pathways to increase tolerance under stress (Fig. 1).
However, for those that can't afford to enter into a mastermind such as this one, there are a number of pathways moving forward.
Interestingly, a number of pathways identified in the genetic predisposition lists (GP1 and GP2) have been previously implicated in this heterogeneous disease.
From a cell-wide view, allosteric changes can function through a number of pathways which are communicated within, across and between cells.
