"FBbt:00007083"^^ . "From Strausfeld (ISBN:978-3-540-07343-7) pg 99 in Musca Domestica. Confirmed as present in Drosophila melanogaster by VH."^^ . "A vertical axon tract in the protocerebrum that connects the lateral horn and the optic foci. It emerges from the posterior lateral protocerebrum and terminates in the superior intermediate protocerebrum."^^ . "fly_anatomy.ontology"^^ . "p l fasc"^^ . "PLF"^^ . "VFB:FBbt_00007083"^^ .