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The Nervous System

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by

Shekhadeep Singh

on 19 November 2014

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Transcript of The Nervous System

The Nervous System
Table of Contents
Objective
Introduction
Structure and Functions of the brain
Divisions of the Nervous System
Cells of the Nervous System
Nerves
Reflex Arcs
The Synapse
Injury/Diseases
Summary
Reference
Objective
Organs and divisions of the nervous system

Functions of the nervous system

Major types of cells and its functions

Structure of the nerve

Anatomical and functional components of a two-neuron reflex arc

Understand the diseases particularly Parkinson's and its treatment
Introduction
Body's prime communication and coordination network

Transmits information rapidly by nerve impulses
Structure & Functions
Anatomy & Physiology Course
Shekhadeep & Karthegaginiy
Divisions of the Nervous System
Central Nervous System (CNS)

Peripheral Nervous System (PNS)

Autonomic Nervous System (ANS)
Central Nervous System
Brain
Spinal Cord
Peripheral Nervous System
Cranial Nerves
Somatic (voluntary)
motor nerves
Sensory Nerves
Autonomic (involuntary)
motor nerves
Spinal Nerves
Cells of the Nervous System
Neurons (nerve cells)
- support impulses

Glia ( support neurons)
Neurons
Glia
supports the neurons
3 types of glia
The Nerve
Reflex Arcs
A neural pathway that controls an action reflex
The Synapse
a structure that allows a neuron (nerve cell) to pass an electrical or chemical signal to another cell (neural)
Injury/Diseases
Concussion

Alzheimer Disease (AD)

Cerebral Palsy (CP)

Cerebrovascular Accident (CVA)

Huntington Disease(HD)
Parkinson's Disease (PD)
PD is a chronic nervous disorder resulting from a deficiency of the neurotransmitter (dopamine) in certain parts of the brain

Signs
rigidity and trembling of the head & extremities
a forward tilt of the trunk
reduced arm swings
short steps

Treatment
Levodopa drug (L-Dopa)
Apomorphine drug (Apokyn)
Artificial Implant

Summary
Structure and function of the brain
Divisions
Cells
Nerves
Reflex Arcs
The Synapse
Injury/Diseases
References
The Human Body In Health & Disease - Elsevier 6th Edition
The Human Body Book
Wikipedia
Google - Images
Youtube ( Reflex arc, Alzheimer's Disease, Huntington Disease & Parkinson's Disease)
Thank You
Enjoy
3 types of neurons
Sensory (afferent)
Motor (efferent)
Interneurons (central or connecting)
Full transcript