Behavioral neurology is a subspecialty of neurology that studies the impact of neurological damage and disease upon behavior, memory, and cognition, and the treatment thereof. Two fields associated with behavioral neurology are neuropsychiatry and neuropsychology.In the United States, 'Behavioral Neurology & Neuropsychiatry' has been recognized as a single subspecialty …

In anatomy, the notochord is a flexible rod formed of a material similar to cartilage.If a species has a notochord at any stage of its life cycle, it is, by definition, a chordate.The notochord lies along the anteroposterior axis (front to back), is usually closer to the dorsal than the ventral surface of the embryo, and is composed of cells derived from the mesoderm.