Cortex, Spinal Cord, Thalamus

Question 1

Association Fibers

Answer 1

Connect Portions of Same hemisphere
III –> II

Question 2

Commissural Fibers

Answer 2

Cross midline, Connect different hemisphere
III –> II

Question 3

Projection Fibers

Answer 3

V –> Subcortical

Question 4

Thalamocortical Fibers

Answer 4

Thalamus –> IV

Question 5

CorticalThalamic Fibers

Answer 5

VI –> Thalamus

Question 6

Meninges of Brain

Answer 6

1.) Dura “Tough Mother” 2x
2.) Arachnoid “Spider-Web”
3.) Pia Mater “Transulcent”

Question 7

Dorsal Column Medial Leminscal Pathway Neurons

Answer 7

3 Neuron
1= DRG
2=Nucleus Cuteneus(T5 above)/Gracialis(T6 below) in medulla
3= VPL in Thalamus (LAYER 5)

Question 8

Dorsal Column Medial Leminscal Pathway Crossover

Answer 8

Crosses over @Nuclei C/G then ascends as medial lemniscal tract

Question 9

Dorsal Column Medial Leminscal Pathway

Answer 9

Senses: Touch, Pressure, Vibration, Conscious Proprioception

Question 10

Lateral SpinalThalamic Tract Neurons

Answer 10

1: DRG
2: Dorsal Horn of Spinal Cord Lamina II or IV
3: VPL in Thalamus (LAYER 5)

Question 11

Lateral SpinalThalamic Tract Crossover

Answer 11

Cross @ anterior white commissure

Question 12

Lateral SpinalThalamic Tract Senses

Answer 12

Pain, Temperature