CNS Appendix B

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Author:
mjhump
ID:
279254
Filename:
CNS Appendix B
Updated:
2014-07-19 22:57:19
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Brain Lobes Mesencephalon diencephalon telencephalon rhombencephalon
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CNS Anatomy
Description:
Appendix B
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  1. Name the components of the brain stem from inferior to superior.
    Medulla Oblongata, Pons, Midbrain
  2. The M.O. is stem-like.  True or False?
    True
  3. What part of the brain stem has many cranial nerve pairs near or extending from it?
    M.O.
  4. What are the bumps called on the M.O. from medial to lateral?
    Pyramids and Olives
  5. Vital Functions of the M.O?
    Breathing and cardiovascular control
  6. What part of the brain stem contains all spinal cord neuron fibers?
    M.O.
  7. The Pons is found between what two structures?
    M.O. and Midbrain
  8. What cranial nerve pair can be found on the lateral surface of the Pons?
    Trigeminal Nerve.  #V
  9. What two structures form the floor of the 4th ventricle?
    Pons and M.O.
  10. Vital Functions of the Pons?
    Bridge for integration and relay between cerebrum and cerebellum
  11. Also known as the midbrain.
    Mesencephalon
  12. This structure surround the cerebral aqueduct.
    Midbrain
  13. What runs through the midbrain?
    cerebral aqueduct
  14. What makes up the tectum and is posterior to the cerebral aqueduct?
    2 superior and 2 inferior colliculi, known as the corpora quadrigemina
  15. The cerebral peduncles are ventral to what?
    cerebral aqueduct
  16. What is the Crus made of?
    Red and black nuclei
  17. What does the Midbrain do?
    Coordinates subtle reflexes with the head in seeing and hearing.
  18. What do the Cerebral Peduncles consist of?
    Many descending motor neurons
  19. What makes up the Diencephalon?
    Thalamus, Hypothalamus, Massa Intermedia, 3rd Ventricle, Mamillary Bodies, Pineal Body
  20. What is the Diencephalon and what does it do?
    Neuron relay center that controls many autonomic and endocrine functions.
  21. The Telencephalon is broken into ______, which are divided by the _______.
    Hemispheres, Longitudinal Cerebral Fissure.
  22. Name the 4 major lobes of each hemisphere.
    Frontal, Parietal, Occipital, Temporal
  23. Name the Pseudo Lobes.
    Insular, Limbic, Pyriform
  24. Gyri are formed by ______.
    Sulci and Fissures
  25. What makes up the outer thin cortex of each hemisphere?
    Gray Matter
  26. The inner mass of a hemisphere is made of?
    White matter with gray masses of basal ganglia.
  27. The largest lobes.
    Frontal lobes (35% of cerebrum)
  28. Name the Gyri of the Frontal Lobe.
    Precentral Gyrus, Superior/Middle/Inferior Frontal Gyri.
  29. Name the marker that divides the frontal and parietal lobes.
    Central Sulcus (of Rolando)
  30. This structure separates the frontal and temporal lobes.
    Cerebral Sulcus (Sylvian Sulcus)
  31. A medial view of the Frontal Lobes shows what gyrus?
    Cingulate Gyrus
  32. Neuron axons make up this part of the brain and connect the right and left hemispheres.
    Corpus Callosum
  33. What is the function of the Frontal Lobes?
    "Thought elaborating" and initiates voluntary movement
  34. This lobe is between all other lobes.
    Parietal Lobe
  35. Name the gyri of the Parietal Lobes.
    Post Central Gyrus, Superior & Inferior parietal lobules (supramarginal and angular gyri)
  36. The dividing line between the Parietal Lobes and the Temporal Lobes is ______.
    Nondistinct
  37. This sulcus of the Parietal Lobe is best seen medially.
    Parietal-Occipital Sulcus
  38. What are the functions of the Parietal Lobe?
    • One "feels" modalities such as:
    • light touch
    • deep touch (pressure)
    • pain
    • temperature changes
    • kinesthetic input
  39. This lobe associates input from other lobes to develop skills like reading and writing.
    Parietal Lobe
  40. This lobe has indistinct lateral and inferior boundaries.
    Occipital
  41. The Calcarine Sulcus is visible medially on this lobe?
    Occipital Lobe
  42. The Cuneus Gyrus and Lingual Gyrus are part of what lobe?
    Occipital Lobe
  43. What is the Occipital Lobe's function?
    Sight and memory of past sight (is received, built up, stored and associated in the Occipital Lobes)
  44. Other lobes depend on this lobes info transfer for proper function.
    Occipital Lobe
  45. The Temporal Lobes are subdivided by these gyri.
    Superior, Middle, Inferior Temporal Gyri
  46. The Superior Temporal Sulcus divides these gyri.
    Superior and Middle Gyri of the Temporal Lobes.
  47. The medial view of this lobe is complex.
    Temporal Lobe
  48. Where can you find parts of a network of fibers and cell bodies in the Temporal Lobe?
    Hippocampal Formation (Parahippocampus)
  49. What are the functions of the Temporal Lobes?
    Auditory reception, interpretation and memory centers.
  50. Where are our behavioral control mechanisms controlled?
    The medially located Hippocampal Formation of the Temporal Lobes
  51. The Uncus is known for what function?
    Significant olfactory interpretation area
  52. This is a "bud" off the posterior brain stem.
    Cerebellum
  53. The rhombencephalon in an embryo makes up what adult brain structures?
    Cerebellum, M.O. and Pons
  54. This landmark separates the Cerebellum from the Cerebrum.
    Tentorium Cerebelli
  55. What is located between the Cerebellum, Pons and MO?
    4th Ventricle
  56. What is the Tentorium Cerebelli and where is it located?
    A membrane inside the Horizontal Cerebral Fissure
  57. This landmark divides the Cerebellum into superior and inferior parts.
    Cerebellar Fissure
  58. What is the function of the Cerebellum?
    • Maintain muscle tone
    • Ensure voluntary movements are effective
    • Does NOT initiate gross movements but makes them smooth.

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