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Nervous pathway
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- 2. Conscious proprioceptive and finetouch pathway of trunk and limbs Spinal ganglion 1°neuron Fasciculus gracilis Fasciculus cuneatus Gracile and cuneate nuclei 2°neuron Decussation of medial lemniscus Medial lemniscus VPL 3°neurons Central thalamic radiation T4
- 3. Unconscious proprioceptive pathway Spinal ganglion Posterior spinocerebellartract Anterior Spinocerebellar tract Lamina Ⅴ-Ⅶ Inferior cerebellar peduncle Superior cerebellar peduncle Nucleus thoracicus
- 4. Pain, temperature and simpletouch pathway of trunk and limbs Spinal ganglia 1°neuron LaminaⅠ,Ⅳ~Ⅶ 2°neuron Lateral spinothalamic tract anterior spinothalamic tract Spinal lemniscus VPL 3°neurons Central thalamic radiation
- 5. Pain, temperature andsimple touch pathway of head and face Trigeminal ganglion 1°neuron Pontine nucleus of V 2°neuron Spinal nucleus of V 2°neuron Trigeminal lemniscus Spinal tract of trigeminal n. VPM 3°neurons Central thalamic radiation
- 6. Visual pathway Optic nerve Opticchiasma Optic radiation Lateral geniculate body Visual area Optic tract
- 7. Optic nerve Optic chiasma Optictract Lateral geniculate body Optic radiation Visual area
- 8. Pupillary reflexes Pretectal area Accessoryoculomotor nuclei Occculomotor n. Ciliary ganglia Sphincter pupil Ciliary muscle
- 9. Auditory pathway Spinal organ Bipolar neuronof cochlear ganglion Cochlear nerve Cochlear nuclei Trapezoid body Lateral lemniscus Medial geniculate body Acoustic radiation Transverse temporal gyrus
- 10. Corticospinal tract Corticospinal tract Decussationof pyramid Lateral corticospinal tract Anterior corticospinal tract upper motor neuron Lower motor neuron
- 11. Corticonuclear tract Nucleus of oculomotorn. Nucleus of trochlear n. Motor nucleus of trigeminal n. Nucleus of abducent n. Sup. part of nucleus of facial n. Inf. part of nucleus of facial n. Nucleus of ambiguus Nucleus of accessory n. Nucleus of hypoglossal n.
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