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I am doing a formal scientific paper writing and unsure of the following sentence:

The representatives are visualized as the skeleton of the corridors (not necessarily the centerlines though).

As can be inferred, the adverbial clause of concession in the brackets is not important enough to make me bring it out. It just acts like a tip.

I wish to know whether this way of expressing concession is correct or not. Is there any way of improving it?

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This sounds like proof-reading, and may be closed for that reason. If it isn't, I think you should explain in a little more detail what you are trying to say. For one thing, why is skeleton singular when representatives is plural? What, in any case, is a skeleton of the corridors? What are the centerlines? – Barrie England Oct 26 '13 at 17:49
up vote 1 down vote accepted

As somebody who uses too many brackets in my own writing to add mildly interesting but not essential points, I would move though to the start of the bracketed phrase and then replace the brackets with a comma, perhaps inserting a verb:

The representatives are visualized as the skeleton of the corridors, though they are not necessarily the centerlines.

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