Lateral Geniculate Nucleus (LGN)
Here's your citation in American Psychological Association (APA) format:
Lateral Geniculate Nucleus (LGN). (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Lateral+Geniculate+Nucleus+%28LGN%29