Download The Nervous pathway

The Nervous pathway
SHANDONG UNIVERSITY
Liu Zhiyu
Conscious proprioceptive
and fine touch pathway
Central thalamic
radiation
VPL
3°neurons
of trunk and limbs
Medial lemniscus
Gracile and cuneate nuclei
2°neuron
Decussation of medial lemniscus
Fasciculus cuneatus
T4
Spinal ganglion
1°neuron
Fasciculus gracilis
Unconscious proprioceptive
pathway of trunk and limbs
Superior cerebellar peduncle
Inferior cerebellar peduncle
Posterior spinocerebellar tract
Anterior
Spinocerebellar
tract
Lamina Ⅴ-Ⅶ
Spinal ganglion
Nucleus
thoracicus
Pain, temperature
and crude touch
pathway of trunk
and limbs
Central thalamic
radiation
VPL 3°neurons
Spinal lemniscus
anterior spinothalamic tract
LaminaⅠ,Ⅳ~Ⅶ
2°neuron
Spinal ganglia
1°neuron
Lateral spinothalamic tract
Pain, temperature
and crude touch
pathway of head
and face
Pontine nucleus of V
2°neuron
Trigeminal ganglion
Geniculate ganglion of facial n.
Sup. ganglions of glossopharangeal n.
and vagus n.
1°neuron
Spinal tract of trigeminal n.
Spinal nucleus of V
2°neuron
Central
thalamic
radiation
VPM
3°neurons
Trigeminal lemniscus
Trigeminothalamic tract
Optic nerve
Optic chiasma
Optic tract
Lateral geniculate
body
Optic radiation
Visual area
Pathway for pupillary
light reflex
Sphincter pupil
Ciliary muscle
Ciliary ganglia
Occculomotor n.
Accessory oculomotor nuclei
Pretectal area
Sphincter pupil
Ciliary muscle
Ciliary ganglia
Occculomotor n.
Accessory oculomotor nuclei
Pretectal area
Auditory pathway
Transverse temporal gyrus
Acoustic radiation
Medial geniculate body
Inferior coliculus
Cochlear nuclei
Cochlear nerve
Lateral lemniscus
Trapezoid body
Spinal organ
Bipolar neuron of cochlear ganglion
Corticospinal tract
upper motor neuron
Corticospinal tract
Decussation of pyramid
Lateral corticospinal tract
Lower motor neuron
Anterior corticospinal tract
Corticonuclear
tract
Nucleus of oculomotor n.
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 hypoglossal n.
Nucleus of accessory n.
Extrapyramidal System
Extrapyramidal
system
Babinski reflex - an UMN sign
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Adult response - plantar flexion of the big toe and adduction of
the smaller toes
Pathological (Infant) response - dorsoflexion (extension) of
the big toe and fanning of the other toes
Indicative of upper motor neuron damage