W 6 - introduction to spinal pathways

Question 1

Describe the organisation and composition of the grey and white matter in the spinal cord

Answer 1

Question 2

Describe the basic components and function of spinal pathway

Answer 2

Question 3

Describe the basic organisation and function of the ascending (sensory) and descending (motor) spinal pathways

Answer 3

Ascending (Sensory) Pathways

Sensory information from the body to brain

Information: limb position, touch, temperature, pressure, pain

Divided into:
Somatosensory pathways: process stimuli received from receptors in the skin, skeletal muscles, joints etc
Viscerosensory pathways: process stimuli received from viscera (organs)

Question 4

neurons in somatosensory pathways

Answer 4

Question 5

Describe the corticospinal tracts in the direct motor pathways

Answer 5

Question 6

Describe the corticospinal tracts in the direct motor pathways (neurons)

Answer 6

Question 7

Briefly describe the indirect motor pathways

Answer 7