Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.

Last updated: Jun 27th, 2025

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The anterior commissure of the brain is a bundle of myelinated (insulated) nerve fibers that are located within the upper portion of the lamina terminalis and overly the preoptic area, thereby helping to form the front wall of the third ventricle. When sectioned lengthwise, it is oval with the long diameter of the oval turned vertically.

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