an extremely long convolution extending lengthwise over the inferior aspect of the temporal and occipital lobes, demarcated medially by the collateral sulcus from the lingual gyrus and the anterior part of the parahippocampal gyrus, and laterally by the inferior temporal sulcus from the inferior temporal gyrus. SYN: gyrus occipitotemporalis lateralis [TA], lateral occipitotemporal gyrus [TA], gyrus fusiformis, lobulus fusiformis.