Lunate sulcus
STRUCTURE IN THE OCCIPITAL LOBE
Sulcus lunatus; Sulcus Lunatus; Simian sulcus; Simian fissure; Lunate fissure; Lunate sulci
In brain anatomy, the lunate sulcus or simian sulcus, also known as the sulcus lunatus, is a fissure in the occipital lobe variably found in humans and more often larger when present in apes and monkeys. The lunate sulcus marks the transition between V1 and V2.