Determination of the mouse LGN borders coordinates in order to reconstruct the whole LGN with its sub-structures (e.g., the individual layers)

Science
2

I would recommend extracting that information from the Allen Common Coordinate Framework.

To get started:

https://community.brain-map.org/t/allen-mouse-ccf-accessing-and-using-related-data-and-tools

CCFv3 Highlights: Getting Started - Technical - Allen Brain Map Community Forum (brain-map.org)