Download 5- Trochlear nucleus 5

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Transcript 
Midbrain or Mesencephalon
Ventral surface
Posterior surface
Lateral surface
Tectum
Cerebral peduncle
Section paralell to the inferior
colliculus
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1- inf colliculus nuclei
2- parabigeminal area
3- periaqueductal gray mater
4- mesencephalic nucleus of v nerve
5- trochlear nucleus
6-substantia nigra
7- ventral tegmental area of Tsai
8- interpeduncular nucleus
1- inf. colliculus nuclei
External nucleus
1- Inferior colliculus
2- Parabigeminal Area
3- Periaqueductal gray mater
4- Mesencephalic nucleus of trigeminal nerve
Pesudounipolar neuron
4- Mesencephalic nucleus of trigeminal nerve
5- Trochlear nucleus(IV)
5- Trochlear nucleus
5- Trochlear nucleus
6- substantia nigra
6- substantia nigra
6- substantia nigra
6- substantia nigra
(resting tremor)
Experimental parkinson
Monkey
Meperidine analoge
Like MPTP(1methyl 4phenyl 1,2,3,6
tetrahydropyridine)
7- Ventral tegmental area of Tsai
pleasure
8- Interpeduncular nucleus
Important pathways
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1-Curs cerebri
2-medial lemniscus
3- lateral lemniscus
4- spinal and trigeminal lemniscus
5- Decussation of the sup. Cerebellar
peduncle
6- Medial longituidinal fasiculus
Crus cerebri
Section paralell to the superior
colliculus
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1- sup. colliculus nuclei
2- periaqueductal gray mater
3- mesencephalic nucleus of v nerve
4- occulomotor nuclear complex
5- red nucleus
6-substantia nigra
7- ventral tegmental area of Tsai
8- interpeduncular nucleus
sup. colliculus nuclei
sup. colliculus nuclei
4
3
2
1
5
sup. colliculus nuclei
3- occulomotor nuclear complex
Edinger westphal
Edinger westphal
Edinger westphal
red nucleus
Rostral parvicellular
Caudal magnocellular
red nucleus
kennedy (1990)
Rubrospinal pathway
Corticospinal pathway
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