part of part of solitary tract http://upload.wikimedia.org/wikipedia/commons/9/93/Gray695.png Wikipedia:Solitary_tract neuronames:785 tractus solitarius DMBA:17796 tractus solitarius medullae oblongatae MBA:237 BAMS:ts The solitary tract is a compact fiber bundle that extends longitudinally through the posterolateral region of the medulla. The solitary tract is surrounded by the nucleus of the solitary tract, and descends to the upper cervical segments of the spinal cord. [WP,unvetted]. respiratory bundle of Gierke UBERON:0002718 DHBA:12783 FMA:72619 BIRNLEX:1483 BAMS:sol BM:Me-ST UMLS:C0175559 solitary tract (Stilling) fasciculus solitarius HBA:265505626 tract of brain white matter of medulla oblongata