NSCI 1001 Lecture Notes - Lecture 1: Actin, Lesion, White Matter

• School: UMN
• Department: Neuroscience Department
• Course: NSCI 1001
• Professor: Dr. Paul Mermelstein

Document Summary

Introduction to the brain: part 1 neuroanatomy: the human brain- the brain and the rest of the nervous system is a means of communication between internal and external world, neurons- fundamental building blocks of the nervous system. The human brain contains about 100 billion neurons. 1 trillion glia in the human brain (10 glia for every 1 neuron; 10:1: the grandfather of neuroanatomy, camillo golgi (1843-1926) italian scientist. Developed the famous silver stain in which 1 in a thousand cells are labeled. The low percentage of labeling was essential for identifying the organization of the nervous system. Ironically, golgi argued for the reticular theory of nervous system organization, even though his stain was used by cajal to solidify the neuron doctrine: santiago ramon y cajal (1852-1934) spanish scientist. Leveraged golgi"s stain to characterize the nervous system of humans and other animals. Neuron doctrine: the nervous system is made up of discrete individual cells.