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Uncus information


Uncus
Medial surface of left cerebral hemisphere. Uncus is shown in orange.
Human brain inferior-medial view (Uncus is #5)
Identifiers
NeuroNames40
TA98A14.1.09.235
TA25516
FMA74884
Anatomical terms of neuroanatomy
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The uncus is an anterior extremity of the parahippocampal gyrus. It is separated from the apex of the temporal lobe by a slight fissure called the incisura temporalis (also called rhinal sulcus[1]).

Although superficially continuous with the hippocampal gyrus, the uncus forms morphologically a part of the rhinencephalon.

An important landmark that crosses the inferior surface of the uncus is the band of Giacomini.[2]

The term comes from the Latin word uncus, meaning hook, and it was coined by Félix Vicq-d'Azyr (1748–1794).[3]

  1. ^ Smith, Callum. "Rhinal sulcus | Radiology Reference Article | Radiopaedia.org". Radiopaedia. Retrieved 2022-08-15.
  2. ^ Pfleger, René. "Uncus | Radiology Reference Article | Radiopaedia.org". Radiopaedia. Retrieved 17 October 2019.
  3. ^ JC Tamraz, YG Comair. Atlas of Regional Anatomy of the Brain Using MRI (2006), p 8.

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