PSYCH 2NF3 Chapter Notes - Chapter 3: Caudate Nucleus, Muscle Tone, Retina
6 Mar 2014
School
Department
Course
Professor
Document Summary
Definition- an interruption of blood to the brain that kills brain cells and causes the sudden appearance of neurological symptoms. Ischemia a deficiency in blood flow to the brain due to functional constriction or to the actual obstruction of a blood vessel, such as a clot. Treated by a drug called tissue plasminogen activator (t-pa)- breaks up clots and allows the return of normal blood flow to the affected region. Neurons receives as many as 15 thousand connections from other cells. Neurons in brain are organized in layers as well as groups called nuclei (groups of cells forming clusters (cid:0) some are folded and others have distinctive shapes and colours. Superior/ inferior are used to refer to structures that are located dorsally or ventrally. Coronal section is cut in a vertical plane from crown of head. Sagittal section cut lengthwise front to back and viewed from the side.
