The Nervous System

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The Nervous System

• The Brain pp. 175 176 in packet

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Cranial Meninges
If the brain and spinal cord contain no pain
receptors, what are the possible explanations for
head pain?
What is the function of the dural sinuses?
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Spinal Meninges
Dura mater
Epidural space
Pia mater
Indicate the anterior (ventral) side in this
view. Where are the dorsal root ganglia?
Subarachnoid space
Vertebral body
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Ventricles of the Brain
What is the function of CSF? (Be sure to study
the ventricle model in the lab.)
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Circulation of CSF
Where is CSF made? Describe the chemical
composition of CSF. How is CSF recycled?
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Developments of the Telencephalon
Lateral ventricles develop in the Telencephalon
Olfactory bulbs and tracts develop in the
Telencephalon
Cerebral hemispheres
What tissue passes through the middle of the
third ventricle?
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Telencephalon Cerebral Cortex
List some of the functions of the cerebrum.
Are the functions of both hemispheres identical?
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Functional Areas of theCerebral Cortex
List and briefly describe the 4 types of
functional areas.
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Motor Pathways of the SNS and ANS
Which is the post-ganglionic fiber?
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Telencephalon Basal Nuclei (Basal Ganglia)
Describe the location of the basal nuclei
relative to the cerebral cortex, thalamus and
hypothalamus. What does this structural feature
imply about the function of the basal nuclei?
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Developments from the Diencephalon
Which ventricle is found in the
diencephalon? Describe the structure and function
of the reticular formation (RAS).
Pineal gland
Thalamus
Hypothalamus
Not shown Neurohypophysis
Optic nerves and tracts
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The Reticular Formation and RAS
What information is received by the reticular
formation? How is that information used?
Where does awareness of sensation occur, and how
is this different from sensation, and perception?
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The Limbic System
Fornix
Thalamus
Hypothalamus (mammillary bodies)
Basal nuclei
Olfactory pathway
Cerebral cortex
Which areas are part of our conscious mind?
Which are unconscious areas of the
brain? Describe examples of how activity in the
limbic system may affect autonomic functions.
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Developments from the Mesencephalon (Midbrain)
Corpora quadrigemina
Trochlear N. (IV)
Cerebral peduncle
Cerebral aqueduct
Identify the pineal gland of the diencephalon.
What features of the hindbrain are visible in
this figure?
What view is this?
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Developments of the Rhombencephalon (Hindbrain)
Cerebellar peduncles
The reticular formation extends from the spinal
cord to the diencephalon (thalamus). Name the
brain structures in which this neuron network
is found.
Pons
4th ventricle
Cerebellum
Medulla oblongata
What kinds of information are sent to the
cerebellum, and how is this related to its
function?
Name the important nuclei (control centers) in
the pons and medulla.