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George E. Carvell, PhD, PT   University of Pittsburgh
Spinal Cord In-Situ x2
Spinal Cord Structure
Spinal Arterial Blood Supply x2
Spinal Gray and White
Dorsal Root Afferent Input
Ascending & Descending Pathways
Spinal Cord Dorsal Horn Overview x2
Intermediate Gray
Ventral Horn Lateral Motor Nucleus
Dorsolateral Descending Pathways
Ventral Horn Medial Motor Nucleus
Ventromedial Descending Pathways
Segmental Motor Centers & Skill x2
Spinal Reflexes & DTR
HRS 2305 ADVANCED NEUROSCIENCE
 NERVOUS SYSTEM III: SPINAL CORD
The spinal cord provides a link between you and the external world, and a means of moving within your environment. The spinal cord includes gray matter (neurons) surrounded by white matter (axons). The dorsal horn contains neurons important in afferent input & sensory integration, the ventral horn contains neurons important in motor integration & efferent output. The intermediate gray contains neurons important in spinal integration and in autonomic outflow. Supportive systems include meninges & blood supply.
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Lesions: Axonal Degeneration
Spinal Cord Lesions x 3
Figure Refs & Readings
BC&P fig 13.8 p 443
Nolte, Fig 10-7 p 224
Labeled Alpha Motoneuron
GMOMM  2001