Olfactory tract

Encyclopedia : O : OL : OLF : Olfactory tract

Scheme of rhinencephalon. (Olfactory tract visible at left.) |- style="text-align: center;" class="hiddenStructure" | colspan="2" |

|- style="text-align: center; line-height: 1;" class="hiddenStructure" | colspan="2" | |- class="hiddenStructure" |Latin |colspan="2"|tractus olfactorius |- class="hiddenStructure" | |colspan="2"|[subject #189 ] |- class="hiddenStructure" |Part of |colspan="2"| |- class="hiddenStructure" |Components |colspan="2"| |- class="hiddenStructure" |Artery |colspan="2"| |- class="hiddenStructure" |Vein |colspan="2"| |- class="hiddenStructure" |Acronym(s) |colspan="2"| |- class="hiddenStructure" |NeuroNames |colspan="2"|[hier-265] |- class="hiddenStructure" |MeSH |colspan="2"|[] |- class="hiddenStructure" |Dorlands/Elsevier |colspan="2"|[/] |}

The olfactory tract is a narrow white band, triangular on coronal section, the apex being directed upward.

It lies in the olfactory sulcus on the inferior surface of the frontal lobe, and divides posteriorly into two striæ, a medial and a lateral.

• The lateral stria is directed across the lateral part of the anterior perforated substance and then bends abruptly medialward toward the uncus of the hippocampal gyrus.

• The medial stria turns medialward behind the parolfactory area and ends in the subcallosal gyrus; in some cases a small intermediate stria is seen running backward to the anterior perforated substance.

External links

• [Diagram at UMich.edu]
• [Photo at umanitoba.ca]
• [Diagram at thebrain.mcgill.ca]
• [Overview at yale.edu]

 

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