Collateral sulcus

Last revised by Dr Calum Worsley on 28 Jun 2021

The collateral sulcus, also known as the medial occipitotemporal sulcus, runs anteroposteriorly on the inferior surface of the temporal lobe and occipital lobe. Anteriorly it is sometimes continuous with the rhinal sulcus 1-3

Anteriorly, it separates the fusiform gyrus laterally, from the parahippocampal gyrus medially. 

Posteriorly, it separates the fusiform gyrus laterally, from the lingual gyrus medially. 

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Cases and figures

  • Figure 1: neuroanatomy: medial cortex (diagrams)
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  • Case 1: labeled in red
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