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41 Cards in this Set
- Front
- Back
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Obex
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site of 4th ventricle closure and the beginning of hte central canal of the spinal cord
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Tectum consistis of
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superior and inferior colliculi
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Superior and inferior colliculi together are called
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Quadrigeminal Plate
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Superior Calliculus Functions
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coordinate reflexes to visual stimuli and contributes to the control of eye movements
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Inferior Colliculus Functions
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Major nucleus forming a relay station of the auditory pathways from the cochlea to cerebral cortex
-Coordinates reflexes to auditory stimuli |
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Tegmentum contains nuclei for
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CN III and CN IV and red nucleus
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Cerebral Peduncle
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Refers to all of the midbrain on each side except tectum
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Separates the crus cerebri from the medbrain tegmentum
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Substantia Nigra
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Forms the ONLY pathway of communication of CSF between the 3rd and 4th ventricles
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Cerebral Aqueduct
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Common site for blockage of CSF flow resulting in increased intracranial pressure
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Cerebral Aqueduct
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CN3 and CN4 modulate
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contraction of extraoccular muscles
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CN III emerges from the
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interpeduncular fossa
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CN IV emerges
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dorsally just below the inferior colliculus
(the only CN that exits dorsally and wraps around the midbrain) |
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Pons contains nuclei for which CN?
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CN V, VI, VII, VIII
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CN emerges from the
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substance of the pons
(pons and middle cerebrllar peduncle) |
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CN VI, VII, VIII emerge from
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the pontomedullary junction
(inferior pontine sulcus) |
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Pons contains nuclei for which CN?
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CN V, VI, VII, VIII
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What is derived from the Rhombencephalon?
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Medulla Oblongata and Pons
|
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CN emerges from the
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substance of the pons
(pons and middle cerebrllar peduncle) |
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Medulla contains the nuclei for CN?
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IX, X, XI, XII (with some of VIII)
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CN VI, VII, VIII emerge from
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the pontomedullary junction
(inferior pontine sulcus) |
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What is derived from the Rhombencephalon?
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Medulla Oblongata and Pons
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Medulla contains the nuclei for CN?
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IX, X, XI, XII (with some of VIII)
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CN IX and X emerge from
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Postolivary Sulcus
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CN XI emerges
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partly from the postolivary sulcus
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CN XII emerges
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Preolivary Sulcus
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?
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?
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What SSA nucleous is found in the Pons?
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Vestibular (VIII)
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What SSA nuceli are found in the Medulla?
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Vestibular and Cochlear
(VIII) |
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What GSA nucleous is found in the midbrain?
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Mesencephalic (V)
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What GSA nucleous is found in the Pons?
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Principal sensory (V)
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What GSA nucleous is found in the medulla?
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Spinal (V)
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What GVA&SVA nucleous is found in the medulla?
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Solitarius
(VII, IX, X) |
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What GVE nucleous is found in the midbrain?
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E-W
(III) |
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What GVE nucleous is found in the Pons?
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Superior Salivatory (VII)
Inferior Salivatory (IX) |
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What GVE nucleous is found in the Medulla?
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Dorsal Motor (X)
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What SVE nucleous is found in the Pons?
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Trigeminal Motor (V)
Facial Motor (VII) |
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What SVE nucleous is found in the medulla?
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Ambiguus
(IX, X, XI) |
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What GSE nucleous is found in the midbrain?
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Oculomotor (III)
Trochlear (IV) |
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What GSE nucleous is found in the Pons?
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Abducens
(VI) |
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What GSE nucleous is found in the medulla?
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Hypoglossal (XII)
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