Uncus
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).
| Uncus | |
|---|---|
Medial surface of left cerebral hemisphere. Uncus is shown in orange. | |
Human brain inferior-medial view (Uncus is #5) | |
| Identifiers | |
| NeuroNames | 40 |
| TA98 | A14.1.09.235 |
| TA2 | 5516 |
| FMA | 74884 |
| Anatomical terms of neuroanatomy | |
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.
The term comes from the Latin word uncus, meaning hook, and it was coined by Félix Vicq-d'Azyr (1748–1794).
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