Lab 6 - Nervous System
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The NervousSystem
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Nervous System DivisionsThe Nervous
System
The Central Nervous System
Brain Spinal cord
The Peripheral Nervous System(cranial and spinal nerves)
Somatic NervousSystem
(voluntary)
AutonomicNervous System
(involuntary)
SympatheticDivision
ParasympatheticDivision
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Activity Activity 6.1.1 The anatomy of the nervous
system
Activity 6.1.2 The nervous system Activity 6.1.3 The peripheral nervous
system
Activity 6.1.4 Organization of the Nervoussystem tutorial
Activity 6.1.5 Organization of the nervous
system quiz
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The Central Nervous System
(CNS)
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The Brain The adult brain is
divided into four
regions: The1. Cerebral
hemispheres
2. Diencephalon
3. Brainstem, and the
4. Cerebellum.Memmlers Structure and Function of the Human Body Pg.
168 Fig 9-1
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The Cerebrum Largest part of the
brain
Two hemispheresseparated by
longitudinal fissure
Elevated ridge
gyrus
Shallow grove
sulcushttp://ccnmtl.columbia.edu/projects/neuroethics/module4/foun
dationtext/im02.jpg
http://ccnmtl.columbia.edu/projects/neuroethics/module4/foundationtext/im02.jpghttp://ccnmtl.columbia.edu/projects/neuroethics/module4/foundationtext/im02.jpghttp://ccnmtl.columbia.edu/projects/neuroethics/module4/foundationtext/im02.jpghttp://ccnmtl.columbia.edu/projects/neuroethics/module4/foundationtext/im02.jpg -
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The Cerebrum
Memmlers structure and Function of the Human Body Pg. 170
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Gyri and Sulci
http://homepages.widged.com/mlange/teaching/CNL/helpers/lateral.gif
http://homepages.widged.com/mlange/teaching/CNL/helpers/lateral.gifhttp://homepages.widged.com/mlange/teaching/CNL/helpers/lateral.gifhttp://homepages.widged.com/mlange/teaching/CNL/helpers/lateral.gifhttp://homepages.widged.com/mlange/teaching/CNL/helpers/lateral.gif -
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The Cerebrum Contains four major
lobes:
1. Frontal lobe2. Parietal lobe
3. Temporal lobe
4. Occipital lobe
http://www.cranialsubluxations.com/images/labele
d_brain.JPG
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Functional areas of theCerebral Cortex
https://reader009.{domain}/reader009/html5/0409/5acb7947d2716/5acb794
http://neuro.sofiatopia.org/ibrain12.jpghttp://neuro.sofiatopia.org/ibrain12.jpg -
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Activity Activity 6.2.1 Human anatomy Brain
Activity 6.2.2 Regions of the brain
Activity 6.2.3 Brain anatomy and functions
Activity 6.2.4 Organization of the cerebrum
tutorial
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The Diencephalon Located between the cerebrum and the
brainstem
Contains the:1. Thalamus relay station where information
is sorted
2. Hypothalamus main visceral controlcenter; maintains homeostasis
3. Epithalamus dorsal portion
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The Diencephalon
http://academic.kellogg.edu/herbrandsonc/bio201_mckinley/f15-15_diencephalon_c.jpg
http://academic.kellogg.edu/herbrandsonc/bio201_mckinley/f15-15_diencephalon_c.jpghttp://academic.kellogg.edu/herbrandsonc/bio201_mckinley/f15-15_diencephalon_c.jpghttp://academic.kellogg.edu/herbrandsonc/bio201_mckinley/f15-15_diencephalon_c.jpghttp://academic.kellogg.edu/herbrandsonc/bio201_mckinley/f15-15_diencephalon_c.jpg -
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Activity Activity 6.3.1 Anatomy of the Brain
Diencephalon
Activity 6.3.2 How the body worksThalamus
Activity 6.3.3 Anatomy of the hypothalamus
Activity 6.3.4 How the body worksHypothalamus
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The Brainstem Contains the:
1. Midbrain
2. Pons3. Medulla oblongata
Conduction pathway
Produce
programmedbehaviors necessary
for survival e.g.
respiration, heart ratehttp://access.mmhs.ca/docs/Science/MMHS%20
Web%20Folder/Kamla/brainlabel.gif
http://access.mmhs.ca/docs/Science/MMHS%20Web%20Folder/Kamla/brainlabel.gifhttp://access.mmhs.ca/docs/Science/MMHS%20Web%20Folder/Kamla/brainlabel.gifhttp://access.mmhs.ca/docs/Science/MMHS%20Web%20Folder/Kamla/brainlabel.gifhttp://access.mmhs.ca/docs/Science/MMHS%20Web%20Folder/Kamla/brainlabel.gif -
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The Cerebellum Coordinates smooth
skeletal muscle
movement
Maintains balance
and posture
https://reader009.{domain}/reader009/html5/0409/5acb7947d271
http://health.learninginfo.org/images/cerebellum.pnghttp://health.learninginfo.org/images/cerebellum.png -
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The Meninges Protective structure
around the brain and
spinal cord
Contains three
layers:
1. Dura mater
2. Arachnoid mater1. Cerebrospinal fluid
(CSF)
3. Pia mater
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The Meninges
http://t2.gstatic.com/images?q=tbn:ANd9GcQRZRSpHwkya066LNvaicAEBjybpplFgIM6BHVSQDp7d_OhIjs&t=1&usg=__xlh2AtvHQqQy4IglrUg4h0aY9ik=
http://t2.gstatic.com/images?q=tbn:ANd9GcQRZRSpHwkya066LNvaicAEBjybpplFgIM6BHVSQDp7d_OhIjs&t=1&usg=__xlh2AtvHQqQy4IglrUg4h0aY9ik=http://t2.gstatic.com/images?q=tbn:ANd9GcQRZRSpHwkya066LNvaicAEBjybpplFgIM6BHVSQDp7d_OhIjs&t=1&usg=__xlh2AtvHQqQy4IglrUg4h0aY9ik=http://t2.gstatic.com/images?q=tbn:ANd9GcQRZRSpHwkya066LNvaicAEBjybpplFgIM6BHVSQDp7d_OhIjs&t=1&usg=__xlh2AtvHQqQy4IglrUg4h0aY9ik=http://t2.gstatic.com/images?q=tbn:ANd9GcQRZRSpHwkya066LNvaicAEBjybpplFgIM6BHVSQDp7d_OhIjs&t=1&usg=__xlh2AtvHQqQy4IglrUg4h0aY9ik= -
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Activity Activity 6.4.1 Meninges tutorial
Activity 6.4.2 Ventricles tutorial
Activity 6.4.3 CSF (Cerebrospinal fluid)circulation
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The Spinal Cord Links the PNS and
the brain (Two-way
impulse conduction
pathway and relay
center)
Extends from
foramen magnum toL1
31 pairs of nerves
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oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m
-2Y0EkWYtZ9gMEwAhzMlAMXHUw=
http://t1.gstatic.com/images?q=tbn:ANd9GcTKgLFpDPVTHZ-oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m-2Y0EkWYtZ9gMEwAhzMlAMXHUw=http://t1.gstatic.com/images?q=tbn:ANd9GcTKgLFpDPVTHZ-oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m-2Y0EkWYtZ9gMEwAhzMlAMXHUw=http://t1.gstatic.com/images?q=tbn:ANd9GcTKgLFpDPVTHZ-oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m-2Y0EkWYtZ9gMEwAhzMlAMXHUw=http://t1.gstatic.com/images?q=tbn:ANd9GcTKgLFpDPVTHZ-oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m-2Y0EkWYtZ9gMEwAhzMlAMXHUw=http://t1.gstatic.com/images?q=tbn:ANd9GcTKgLFpDPVTHZ-oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m-2Y0EkWYtZ9gMEwAhzMlAMXHUw=http://t1.gstatic.com/images?q=tbn:ANd9GcTKgLFpDPVTHZ-oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m-2Y0EkWYtZ9gMEwAhzMlAMXHUw=http://t1.gstatic.com/images?q=tbn:ANd9GcTKgLFpDPVTHZ-oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m-2Y0EkWYtZ9gMEwAhzMlAMXHUw=http://t1.gstatic.com/images?q=tbn:ANd9GcTKgLFpDPVTHZ-oqtNSRp4pzRmGwiE00KG7F6gZtceY6XvG70E&t=1&usg=__m-2Y0EkWYtZ9gMEwAhzMlAMXHUw= -
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The Spinal Cord Also protected by
meninges and
cerebrospinal fluid
(CSF)
http://t1.gstatic.com/images?q=tbn:ANd9GcTmXOs7Wlf1g5Xm12LYLOevA85zHvl
G3PO8my6gPe1JSZoNKAU&t=1&usg=__wJ44OHADzJEV3CG1T5lH-BVK3l0=
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The Spinal Cord (c.s.)
Memmlers structure and Function of the Human Body Pg. 155
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Activity Activity 6.5.1 Spinal cord and vertebral
column
Activity 6.5.2 Spinal cord and spinal nervespt 1
Activity 6.5.3 Spinal cord anatomy and
innervation Activity 6.5.4 Spinal cord tutorials
Activity 6.5.5 Spinal cord quiz
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The Peripheral Nervous System
(PNS)
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The Spinal Nerves
Supply all parts ofthe body except
Head and some
areas of the neck
Named according tolocation
8 cervical
12 thoracic
5 lumbar
5 sacral
1 coccygeal
Plexus network ofnerves
Cervical plexus
Brachial plexus
Lumbar plexus
Sacral plexus
Two enlargements
Cervical
Lumbar
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The Spinal Nerves
Memmlers structure and Function of the Human Body Pg. 154
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Activity Activity 6.6.1 Anatomy of a nerve
Activity 6.6.2 Naming spinal nerves
Activity 6.6.3 Major nerves of the arms andlegs tutorial
Activity 6.6.4 Spinal cord injury
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The Cranial nerves Oh Olfactory Once Optic
One Oculomotor
Takes Trochlear
The Trigeminal
Anatomy Abducens
Final Facial
Very Vestibulocochlear Good Glossopharyngeal
Vacations Vagus
Are Accessory
Heavenly Hypoglossal
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The Cranial Nerves
http://t1.gstatic.com/images?q=tbn:ANd9GcQeM78q1W-IlcsBtwGPSYJd8Vk9Tq80D7umodjR-
1RH5AaoZIQ&t=1&usg=__SrNyxoW0AsI7P3a4a2ipFSfI2t4=
http://t1.gstatic.com/images?q=tbn:ANd9GcQeM78q1W-IlcsBtwGPSYJd8Vk9Tq80D7umodjR-1RH5AaoZIQ&t=1&usg=__SrNyxoW0AsI7P3a4a2ipFSfI2t4=http://t1.gstatic.com/images?q=tbn:ANd9GcQeM78q1W-IlcsBtwGPSYJd8Vk9Tq80D7umodjR-1RH5AaoZIQ&t=1&usg=__SrNyxoW0AsI7P3a4a2ipFSfI2t4=http://t1.gstatic.com/images?q=tbn:ANd9GcQeM78q1W-IlcsBtwGPSYJd8Vk9Tq80D7umodjR-1RH5AaoZIQ&t=1&usg=__SrNyxoW0AsI7P3a4a2ipFSfI2t4=http://t1.gstatic.com/images?q=tbn:ANd9GcQeM78q1W-IlcsBtwGPSYJd8Vk9Tq80D7umodjR-1RH5AaoZIQ&t=1&usg=__SrNyxoW0AsI7P3a4a2ipFSfI2t4=http://t1.gstatic.com/images?q=tbn:ANd9GcQeM78q1W-IlcsBtwGPSYJd8Vk9Tq80D7umodjR-1RH5AaoZIQ&t=1&usg=__SrNyxoW0AsI7P3a4a2ipFSfI2t4=http://t1.gstatic.com/images?q=tbn:ANd9GcQeM78q1W-IlcsBtwGPSYJd8Vk9Tq80D7umodjR-1RH5AaoZIQ&t=1&usg=__SrNyxoW0AsI7P3a4a2ipFSfI2t4=http://t1.gstatic.com/images?q=tbn:ANd9GcQeM78q1W-IlcsBtwGPSYJd8Vk9Tq80D7umodjR-1RH5AaoZIQ&t=1&usg=__SrNyxoW0AsI7P3a4a2ipFSfI2t4= -
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The Cranial Nerves
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Activity Activity 6.7.1 Cranial nerve song
Activity 6.7.2 Cranial nerve tutorial
Activity 6.7.3 Cranial nerve anatomy quiz Activity 6.7.4 Cranial nerve function quiz
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References Cohen, B. J. and J. J. Taylor (2009). Memmler's Structure and
Function of the Human Body. Baltimore, Lippincott Williams and
Wilkins.
Marieb, E. N. and K. Hoehn (2010). Human Anatomy and
Physiology. San Francisco, Benjamin Cummings.
Martini, F. H. (2006). Fundamentals of Anatomy and Physiology.
San Francisco, Benjamin Cummings.
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The END