In/from the ventral but not (the) dorsal

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Azimat

Senior Member
Italian
I have a question. When writing such a sentence, which one is better?

The molecule increases cell proliferation in the ventral but not the dorsal hippocampus.

Or

The molecule increases cell proliferation in the ventral but not dorsal hippocampus.


Similarly:

In the ventral and the dorsal hippocampus.

Or

In the ventral and dorsal hippocampus.

Thanks!
 
  • Azimat

    Senior Member
    Italian
    The decision is clear but what is the source and context?
    Thanks for the reply. That was just an example I made. However, here's some context where both forms are used:

    "Redox dysregulation affects the ventral but not dorsal hippocampus: impairment of parvalbumin neurons, gamma oscillations, and related behaviors."

    http://www.ncbi.nlm.nih.gov/pubmed/20164340

    And

    "Modulation by the dorsal, but not the ventral, hippocampus of the expression of behavioural sensitization to amphetamine."

    http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=1882792
     

    PaulQ

    Senior Member
    UK
    English - England
    I would definitely include the second definite article. You are making a point of the distinction. The second "the" gives the required emphasis.

    This is correct: "Modulation by the dorsal, but not the ventral, hippocampus..."
     
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