Longitudinal fissure Longitudinal fissure The longitudinal fissure (or cerebral fissure, median longitudinal fissure, or interhemispheric fissure) is the deep groove that separates the two hemispheres of the vertebrate brain. The medial surfaces of the two hemispheres are as similarly convoluted by gyri and sulci as is the outer surface of the brain. It is thought that a majority of existing animals, including Homo sapiens, have evolved from a common wormlike ancestor that lived around 600 million years ago, called the urbilaterian. A bilaterian animal is one that has symmetrical left and right body halves. While it is still debated whether this species
Dynamism of a Human Body: Boxer Dynamism of a Human Body: Boxer Dynamism of a Human Body: Boxer is a dynamism drawing created by the futurist Italian artist Umberto Boccioni. The work was intended to show a subject in between a state of motion and stillness. Painter Umberto Boccioni, one of the earliest members of the school of futurism, had in 1912 found an interest in sculpture. During the early stages of his pursuit, Boccioni found himself working on the dynamism of forms. Boccioni wanted to find a single form which would capture all movement, as opposed to having a series of images. Viewing the past