This article needs attention from an expert on the subject. Please add a reason or a talk parameter to this template to explain the issue with the article. Consider associating this request with a WikiProject.(April 2010)
The rostral neuropore or anterior neuropore is a region corresponding to the opening of the embryonic neural tube in the anterior portion of the prosencephalon. It closes on day 25 of embryogenesis giving rise to the lamina terminalis of the brain.