Animal Physiology - Chapter 5 - Nervous System PDF

Summary

This document is a lecture presentation about animal physiology, focusing on the nervous system. It covers various aspects including the evolution of the nervous system, different types of neurons, and common diseases. The presentation contains figures and diagrams illustrating various biological processes occurring in the nervous system.

Full Transcript

TON DUC THANG UNIVERSITY FACULTY OF APPLIED SCIENCES CHAPTER 5. NERVOUS SYSTEM 21/12/2024 603087-Chapter 5 1 CONTENT 5.1. Overview 5.2. Evolution of nervous system 5.3. Neuron and synapse 5.4. Central nervous system 5.5....

TON DUC THANG UNIVERSITY FACULTY OF APPLIED SCIENCES CHAPTER 5. NERVOUS SYSTEM 21/12/2024 603087-Chapter 5 1 CONTENT 5.1. Overview 5.2. Evolution of nervous system 5.3. Neuron and synapse 5.4. Central nervous system 5.5. Peripheral nervous system 5.6. Diseases and disorders 21/12/2024 603087-Chapter 5 2 5.1. Overview - General function and importance of nervous system 21/12/2024 603087-Chapter 5 3 5.2. Evolution of nervous system  Aquatic Invertebrates  Flatworms & Roundworms  Segmented Worms & Arthropods  Vertebrates ====> Simple  complex 21/12/2024 603087-Chapter 5 4 In human Nervous system Central NS Peripheral NS Somatic system Autonomic system Sympathetic Parasympathetic system system 21/12/2024 603087-Chapter 5 5 5.3. Neuron and synapse 21/12/2024 603087-Chapter 5 6 a. Neuron + Structure 21/12/2024 603087-Chapter 5 7 21/12/2024 603087-Chapter 5 8 + Classification 21/12/2024 603087-Chapter 5 9 21/12/2024 603087-Chapter 5 10 + Myelin sheath formation 21/12/2024 603087-Chapter 5 11 Based on myelin sheath formation, there are two kinds of neurons: _ myelinated neurons _ non-myelinated neurons 21/12/2024 603087-Chapter 5 12 + Transmission of electrical impulses Overview about potential: +Resting potential 21/12/2024 603087-Chapter 5 13 + Action potential 21/12/2024 603087-Chapter 5 14 - Depolarization - Repolarization - Hyperpolarization 21/12/2024 603087-Chapter 5 15 21/12/2024 603087-Chapter 5 16 21/12/2024 603087-Chapter 5 17 21/12/2024 603087-Chapter 5 18 Comparison Action potential works in: non-myelinated neurons myelinated neurons 21/12/2024 603087-Chapter 5 19 b. Synapse + Classification 21/12/2024 603087-Chapter 5 20 + Structure + Function 21/12/2024 603087-Chapter 5 21 Neurotransmitters + Structure + Function 21/12/2024 603087-Chapter 5 22 + Some neurotransmitters:  Acetylcholine  Norepinephrine  Dopamine  Serotonin  Glutamate  GABA 21/12/2024 603087-Chapter 5 23 How does it work? 21/12/2024 603087-Chapter 5 24 Example: Acetylcholine (ACh)  Acetylcholinesterase ( AChE) 21/12/2024 603087-Chapter 5 25 5.4. Central nervous system Including: - Brain - Spinal cord 21/12/2024 603087-Chapter 5 26 21/12/2024 603087-Chapter 5 27 - White matter - Gray/grey matter 21/12/2024 603087-Chapter 5 28 21/12/2024 603087-Chapter 5 29 5.5. Peripheral nervous system 21/12/2024 603087-Chapter 5 30 Including: - Somatic system - Autonomic system  Sympathetic system  Parasympathetic system 21/12/2024 603087-Chapter 5 31 5.6. Diseases and disorders Some common diseases/disorders:  Alzheimer: the most common type of dementia  Parkinson: unintended or uncontrollable movements.  Stroke  Concussion 21/12/2024 603087-Chapter 5 32 Lab tests - Detection/Diagnosis - Tests 21/12/2024 603087-Chapter 5 33 Discussion  Diseases, defects  Reasons  Symptoms  Prevention  Treatment etc... 21/12/2024 603087-Chapter 5 34

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