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Download Spinal Gray Matter (Only on C7 / T4 sections)
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Neuroscience Practical 1 Images List Checklist: Lab 3.03b • Spinal Cord Segments • Upper cervical Cervical enlargement Thoracic Lumbar enlargement Sacral • Surface Landmarks Dorsal median sulcus Dorsolateral sulcus Dorsointermediate sulcus Ventrolateral sulcus Ventral median fissure Spinal Gray Matter (Only on C7 / T4 sections) • – Dorsal horn – Dorsolateral fasciculus (Lissauer’s tract) – Substantia gelatinosa – Nucleus proprius – Ventral horn – Lateral horn – Nucleus dorsalis (Clarke’s nucleus) • Spinal White Matter (Only on C7 / T4 sections) Dorsal funiculus – Fasciculus cuneatus – Fasciculus gracilis • Ventral funiculus – Spinothalamic tract – Anterior corticospinal tract – Medial longitudinal fasciculus (MLF) • Lateral funiculus – Spinothalamic tract – Lateral corticospinal tract – Dorsal spinocerebellar tract – Ventral spinocerebellar tract • Anterior white commissure Spinal Cord Segments Thoracic Upper Cervical Lumbar Sacral Cervical Enlargement Cervical enlargement (myelin stain) Cervical Level (C7) LH PH = Posterior (or Dorsal) Horn, AH = Anterior (or Ventral) Horn, LH = Lateral horn Also note these at the thoracic level Cervical Level (C7) Gracile fasciculus Lateral corticospinal tract Cuneate fasciculus Posterior spinocerebellar tract Lissauer’s Tract Anterior spinocerebellar tract Substantia gelatinosa Nucleus proprius Anterior (ventral) white commissure Anterolateral (spinothalamic) tract Anterior corticospinal tract MLF Thoracic Level (T4) Gracile fasciculus Lateral corticospinal tract Posterior spinocerebellar tract Cuneate fasciculus Lissauer’s Tract Anterior spinocerebellar tract Substantia gelatinosa Nucleus proprius Clarke’s nucleus Anterior (ventral) white commissure Anterolateral (spinothalamic) tract Anterior corticospinal tract MLF Caudal Medulla: Spinomedullary Junction Fasciculus gracilis Nucleus gracilis Fasciculus cuneatus Nucleus cuneatus Spinal trigeminal nucleus Spinal trigeminal tract Anterolateral tract (spinothalamic tract, STT) Spinocerebellar tract Pyramidal decussation Caudal Medulla Nucleus gracilis Fasciculus gracilis Fasciculus cuneatus Nucleus cuneatus Spinal trigeminal nucleus Spinocerebellar tract Anterolateral tract (Spinothalamic tract, STT) Medial lemniscus Pyramid Spinal trigeminal tract Internal arcuate fibers Rostral Medulla Hypoglossal nucleus MLF (Inferior) vestibular nucleus Dorsal motor nucleus of the vagus Solitary nucleus and tract Spinal trigeminal tract Inferior cerebellar peduncle Spinal trigeminal nucleus Anterolateral tract (spinothalamic tract, STT) Inferior olivary nucleus Medial lemniscus Pyramid Superior cerebellar peduncle Inferior cerebellar peduncle Caudal Pons Vestibular nuclei Abducens nucleus Spinal trigeminal tract Spinal trigeminal nucleus MLF Middle cerebellar peduncle Facial motor nucleus Central tegmental tract Superior olive Medial lemniscus Anterolateral tract (spinothalamic tract, STT) Pontine nuclei Corticospinal tract Pontocerebellar fibers Superior cerebellar peduncle Mid Pons Trigeminal motor nucleus MLF Principal sensory nucleus of trigeminal nerve Trigeminal nerve fibers Lateral lemniscus Superior olive Spinal lemniscus Central tegmental tract Middle cerebellar peduncle Medial lemniscus Pontine nuclei Pontocerebellar fibers Corticospinal tract Rostral Pons Superior cerebellar peduncle Central tegmental tract MLF Locus ceruleus Lateral lemniscus Anterolateral tract (spinothalamic tract) Medial lemniscus Middle Cerebellar Peduncle Pontine nuclei Pontocerebellar fibers Corticospinal tract Caudal Midbrain Inferior Colliculus MLF Lateral lemniscus Periaqueductal gray Anterolateral tract (spinothalamic tract) Cerebral aqueduct Central tegmental tract Medial lemniscus Crus cerebri Superior cerebellar peduncle decussation Caudal Midbrain (Slightly More Rostral Section) Trochlear nucleus Rostral Midbrain Periaqueductal gray Cerebral aqueduct Edinger-Westphal nucleus Superior colliculus Anterolateral tract Medial lemniscus MLF Crus cerebri Red nucleus Substantia nigra pars reticulata Substantia nigra pars compacta Oculomotor nucleus
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