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Spinal Cord Tracts

Tracts of the Spinal Cord

QuestionAnswer
Where does sensory info enter from the arms C4-C5
Where does sensory info enter from the legs L2-L4
What is the sensory route in the CNS Receptor - Sensory Neuron - Spinal Cord - Thalamus - Parietal Cortex
What does the Dorsal Column control/show 2 pt discrimination, deep pressure, vibration, conscious muscle sense
Where does the Dorsal Column cross Medulla
What does the LSTT control/show Pain and Temperature
Where does the LSTT cross Spinal Cord at entry
Where is the LSTT in the Spinal Cord Lateral anterior close to gray matter
What does the ASTT control/show Light touch, light pressure
Where does the ASTT cross Spinal Cord at Entry
Where is the Dorsal Colum Dorsal side medially
Where is the ASTT Ventral side medially
What does the Posterior Spinocerebellar tract control/show Unconscious muscle and joint sense
Where does the PSCT cross It doesn't
What does the ASCT control/show Unconsious muscle and joint sense
Where does the ASCT cross Spinal cord at entry
Where is the PSCT Lateral dorsal at edge of vertebrae
Where is the ASCT Lateral Anterior at edge of vertebrae
What does the LCST control/do Moves skeletal muscles (arms/legs)
Where does the LCST cross Medulla
What is the pattern for the Motor Pathway Primary Motor Cortex- Spinal Cord - Alpha Motor Neuron
What does the ACST control/do Moves skeletal muscles (axial)
Where does the ACST cross Spinal Cord at site of innervation
What does extraspinal tract control/do Stimulate postural muscles, key role in balance
Role of extraspinal tract Controls Gamma Motor Neurons
Created by: jennifer.hedlund