The reverse-lateralization of hemispheric function (in which the right half of the body is controlled by the left hemisphere, etc.) is caused by crossover of long nerve tracts (the pyramidal tracts) on the ventral surface of the _____ at a point called the decussation of the pyramids.

3000+ review questions on anatomy and physiology. 

Anatomy refers to the internal and external structures of the body and their physical relationships, whereas physiology refers to the study of the functions of those structures.