fornix

Compact, white fiber bundle which allows the hippocampus connectivity to the contralateral hippocampus & to the septum, anterior nucleus of the thalamus & mammillary bodies. The fibers arise from pyramidal cells of the cornu ammonis (Ammon horn).

Related

cornus ammonis (Ammon's horn) mammillary body (mammillary tubercle of hypothalamus) septal nucleus

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999