Anatomy 2 brain

 

Outcomes

1. Identify the components and principal features of the brain stem

2. List the functions of the brain stem

3. Relate the ventricular system to the brain stem and brain

4. Describe how the brain is disposed within the cranial cavity

5. Identify the major features of the skull

6. Demonstrate the surface landmarks and the markings on the skull of the middle meningeal vessels.

7. Identify on bones the cranial fossae and their principal components.

8. Identify what passes through principal skull foramina.

9. Describe cranial meninges, meningeal spaces, and their disposition

10. Describe the vertebrobasilar arterial system

11. Draw the circle of Willis

?

1. which is false of the brain stem

  • the cerebral peducles contain extrapyrimidal tracts
  • medulla is the most inferior part of the brain stem
  • pons is situated between the midbrain and medulla
  • 10 of the 12 cranial nerves arise from the brain stem
  • the cerebral aquaduct runs through the midbrain
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2. which is true in regards to the brain stem

  • the diencephalon includes thalamus, hypothalamus and medulla oblongata
  • the choroid plexus is on the anterior surface of the pons
  • CN V arises from the pons
  • the crus cerbri where the optic nerve arises are situated behind the cerebral pedulcles
  • the cardiovascular and respiratory centres are situated entirley in the medulla

3. the midbrain is a conduction pathway between the higher and lower brain centres

  • True
  • False

4. which is false in regards to the cerebrum

  • two hemispheres divided by the longitudinal sulcus
  • the cerebellum is seperated from the cerebrum by the transverse cerebral fissure
  • the cerebral cortex is composed of grey matter
  • cerbral hemispheres are marked by elevated tissue called gyri
  • made up of parietal,frontal,occipital and temporal lobes

5. in regards to ventricles which is false

  • the medulla and pons make up the fourth ventricle
  • between the two thalmi and above the hypothalamus makes up the third ventricle
  • the ventricles are lined with oligodendrocytes
  • the right and left cerebrum make up the lateral ventricle
  • the midbrain makes up the cerebral aquaduct
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