Ascending And Descending Tracts Of Spinal Cord Ppt -
Ipsilateral loss of motor function (Corticospinal tract) and fine touch/vibration/proprioception (DCML) below the level of the lesion.
: An axial cross-section of the spinal cord with the three funiculi color-coded, plus arrows indicating direction of signal flow (⬆️ ascending, ⬇️ descending).
Originates in the reticular formation; controls automatic locomotion and posture. ascending and descending tracts of spinal cord ppt
The precise spatial arrangement of fibers within a tract corresponding to specific areas of the body. 2. The Ascending Tracts (Sensory Pathways)
Comprises roughly 85–90% of corticospinal fibers. These fibers decussate at the caudal medulla (pyramidal decussation) and descend in the lateral funiculus. They control fine, skilled movements of the distal extremities. Ipsilateral loss of motor function (Corticospinal tract) and
– Quick reference matrix for rapid review.
Cross-section showing posterior, lateral, and anterior funiculi. The precise spatial arrangement of fibers within a
Transmits pain and temperature sensations.
MRI is the imaging modality of choice for spinal cord pathology: