part of visual cortex striate cortex 2010-05-17T10:25:17Z BA17 BTO:0004703 BrendaTissueOBO Brodmann area 17 The term visual cortex refers to the primary visual cortex and extrastriate visual cortical areas such as V2, V3, V4, and V5. The primary visual cortex is anatomically equivalent to Brodmann area 17, or BA17. There is a visual cortex for each hemisphere of the brain. The left hemisphere visual cortex receives signals from the right visual field and the right visual cortex from the left visual field. V1 mgr primary visual cortex visual area V1