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Anatomy of torso (primarily): the spinal cord (TA 14.1.02, GA 9.749)
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| External, dorsal |
Posterior median sulcus · Posterolateral sulcus
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Grey matter/
Rexed laminae |
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I–VI: Posterior horn
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I: Marginal nucleus · II: Substantia gelatinosa of Rolando · III+IV: Nucleus proprius · Spinal lamina V · Spinal lamina VI
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VII: Lateral horn
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Intermediolateral nucleus · Posterior thoracic nucleus
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VIII–IX: Anterior horn
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Interneuron · Alpha motor neuron (Onuf's nucleus)
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X: Other
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Central gelatinous substance · Gray commissure
Central canal · Terminal ventricle
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| White matter |
somatic/
ascending
(blue)
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Posterior/PCML: touch: Gracile · Cuneate
Lateral: proprioception: Spinocerebellar (Dorsal, Ventral) · pain/temp: Spinothalamic (Lateral, Anterior) · Posterolateral (Lissauer) · Spinotectal
Spinoreticular tract · Spino-olivary tract
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motor/
descending
(red)
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Lateral: Corticospinal (Lateral) · Ep (Rubrospinal, Olivospinal)
Anterior: Corticospinal (Anterior) · Ep (Vestibulospinal, Reticulospinal, Tectospinal)
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both
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Anterior white commissure
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| External, ventral |
Anterior median fissure · Anterolateral sulcus
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| External, general |
Cervical enlargement · Lumbar enlargement · Conus medullaris · Filum terminale · Cauda equina
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M: CNS
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anat (n/s/m/p/4/e/b/d/c/a/f/l/g)/phys/devp
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noco (m/d/e/h/v/s)/cong/tumr, sysi/epon, injr
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proc, drug (N1A/2AB/C/3/4/7A/B/C/D)
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