part of part of overlaps overlaps brain nerve fasciculus midbrain diencephalon habenulo-interpeduncular tract present in all fishes and tetrapods BAMS:fr tractus habenulointerpeduncularis habenulopeduncular tract neuronames:2318 tractus habenulo-intercruralis BM:HPT DMBA:17790 FMA:72400 tractus retroflexus (Meynert) MBA:595 habenulointerpeduncular fasciculus fasciculus habenulo-interpeduncularis fasciculus retroflexi HBA:12953 fasciculus retroflexus tractus habenulointercruralis BIRNLEX:1504 fasciculus retroflexus (of Meynert) habenulointerpeduncular tract UMLS:C0228391 SCTID:369194000 tractus habenulo-interpeduncularis EMAPA:36606 TAO:0000353 UBERON:0002138 fasciculus retroflexus (Meynert) Meynert's retroflex bundle White matter tract containing fibers projecting from the habenular nuclei to the interpeduncular nucleus (Maryann Martone). rf ZFA:0000353 fasciculus of brain