From retro- + hippocampal. <span class="searchmatch">retrohippocampal</span> (comparative more <span class="searchmatch">retrohippocampal</span>, superlative most <span class="searchmatch">retrohippocampal</span>) To the rear of the hippocampus...
Wikipedia has an article on: parasubiculum Wikipedia parasubiculum (plural not attested) A <span class="searchmatch">retrohippocampal</span> isocortical structure in the rodent brain...
intrahippocampal nonhippocampal parahippocampal perihippocampal posthippocampal <span class="searchmatch">retrohippocampal</span> septohippocampal subhippocampal pertaining to the hippocampus...
retrograde retrography retrogreen retroguard retrohepatic retrohilar <span class="searchmatch">retrohippocampal</span> retrohome retrohoming retroilluminate retroillumination retroclination...