Schaffer collateral

Schaffer collaterals are axon collaterals given off by CA3 pyramidal cells in the hippocampus. These collaterals project to area CA1 of the hippocampus and are an integral part of memory formation and the emotional network of the Papez circuit, and of the  hippocampal trisynaptic loop. It is named after the Hungarian anatomist-neurologist Károly Schaffer.