Marginal nucleus

Substantia gelatinosa of rolando

Both

None

Primary motor Cortex (Area 4) - 30 %

Premotor Cortex (area 6) - 30%

Somatosensory cortex (Areas 3,1, 2, 5 & 7) - 40%

1&2

1,2&3

1&3

None

Control temperature

Maintaining thirst

Control of voluntary fine and skilled movements (lateral corticospinal tract)

Control of gross voluntary movements (anterior corticospinal tract)

Facilitates muscle tone

Facilitates superficial reflexes

1,2&3 only

3,4,5&6 only

3 & 4 only

All of above

Neostigmine, Physostigmine helps in transmission of impulse

Botulinum toxin is a neuromuscular blocker

Bungarotoxin helps in transmission of impulse

1&2 only

2&3 only

1&3 only

None