Complex sentence: Whereas other types of neurons tend to have many dendrites, the polar shaped morphology of spindle neurons is unique, having only been found in two very restricted regions in the brains of hominids-the family of species comprising humans and other great apes.
Split into simpler sentences: Whereas other types of neurons tend to have many dendrites, the polar shaped morphology of spindle neurons is unique. They are found in two very restricted regions in the brains of hominids-the family of species comprising humans and other great apes.