stratum pyramidale (pyramidal layer)

The hippocampus has 4 layers in contrast to the cerebral cortex that has 6. 1) stratum oriens (ventricular surface) a) basal dendrites of pyramidal cells b) axon collaterals of pyramidal cells c) incoming axons of the alvear pathway 2) stratum pyramidale (pyramidal layer) -> perikarya of hipocampal pyramidal cells 3) stratum radiatum a) apical dendrites of pyramidal cells b) recurrent axon collaterals of pyramidal cells 4) stratum moleculare et substratum lacunosum (lacunar-molecular layer) a) distal dendrites b) incoming axons of the perforant pathway

References

Stedman's Medical Dictionary, 23rd ed. 1976