MCELLBI C61 Lecture Notes - Lecture 3: Nuclear Membrane, Periodic Table, Myelin
21 Mar 2020
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4. 6 billion years ago: the origin of eath. 400 million years ago: first amphibians, reptiles, + forests. 300 million years ago: dinosaurs + mammals evolve. Color is due to the myelin coating the axons. Vesalius, on the fabric of the human body (1543) Meninges: sheets of tissue covering the brain under the skull. Dura mater, arachnoid layer, subarachnoid space, pia mater. Neural communication cells that send + receive signals. Predicted the existence of elements that hadn"t been discovered yet. There"s a more deep interaction between the mind and material world in ways that we have no way to talk about. Interested in how one form of matter transformed into another one. It was with the development of the notion that you can de ne distinct matters as chemical elements, etc. that catalyzed the transition away from the mind. Ion: when an atom either gains or loses one or more electrons.
