The phrase "a specified direction" is correct and usable in written English.
It can be used when referring to a particular or defined course of action or guidance in a context where clarity is needed.
Example: "The project requires us to follow a specified direction to ensure consistency in our approach."
Alternatives: "a defined direction" or "a designated direction".
Although alignment of FAs and cell morphology is part of contact guidance, typically the overall process is considered the directed migration of a cell in a specified direction by a physical cue [29], [35], [36].
Because a subset of interactions in this network have a specified direction (e.g. transcription factor targets), the identified interactions between pathways are directed as well.
A Chinese marble game consists of kicking a marble against an opponent's to make the latter rebound in a specified direction.
A design of terminal impact with a specified direction is carried out to evaluate the performance of this method.
As a special case we also provide a feedback control for the spacecraft symmetry axis to track a specified direction in the inertial space.
This chapter discusses the camera pan/tilt mechanisms in which the camera is rotated and tilted to point it in a specified direction.
Allow the glaze to dry for the time specified by the manufacturer's directions.
It does this for any specified direction, and gives some other commonly used quantities (such as the Lagrange points and values of the potential).
The purpose of the calculator is to allow one to calculate the precise size of the Roche lobe along the main coordinate axes or in any specified direction.
The Ministry of Interior and Health finds that the use of economic incentives can support the movement of the healthcare sector in a politically specified direction.
The self-propelled, baseball-size sphere rolls around in the specified direction.
