1

In the following sentence

The hippocampus plays an important role in the formation of emotion and memory consolidation.

my teacher pointed out that article The in front of the word hippocampus is incorrect, and A should be used instead. As in

A hippocampus plays an important role in the formation of emotion and memory consolidation.

I disagree. Who do you think is right?

6

You are correct, your teacher is wrong. It's perfectly appropriate to use definite article to refers to the kind of object in general.

You can use Google Scholar to search for text in scientific publications. The results are pretty damning:

| improve this answer | |

Not the answer you're looking for? Browse other questions tagged or ask your own question.