Neuroanatomy

Question 1

Lateral corticospinal tract

Answer 1

1. Neuron: Cortex in pyramidal cells, upper motor neurons

cross: Medulla oblongata

2. Neuron: anterior horn, lateral corticospinal tract

Question 2

Anterior corticospinal tract

Answer 2

1. Neuron: Cortex in pyramidal cells, upper motor neurons

cross: spinal cord

2. Neuron: anterior horn, level corticospinal tract

Question 3

Reticulospinal tract

Answer 3

vegetative syttem, voluntary movements

1. neuron: formatio reticularis brainstam

pontine reticulospinal tract: uncrossed

medullary spinal tract: crossed and uncrossed

2. / 3. neuron: anterior horn of spinal cord

Question 4

Tectospinal tract

Answer 4

postural movements visula reflex

1. neuron: superior colliculus

cross: brainstem

2. neuron: anterior horn grey matter

Question 5

Rubrospinal tract

Answer 5

activate flexor & inhibit extensor

1. neuron: red nucleus

cross: brainstem

2. neuron: anterior horn gray matter

Question 6

Vestibulospinal tract

Answer 6

activate extensor & inhibit flexor

1. neuron: vestibular nucleus brainstem

uncrossed

2. neuron: anterior horn gray matter

Question 7

Olivospinal tract

Answer 7

mascular acticvity

1. neuron: nucleus olivaris inferior medulla oblongata

2. neuron: anterior horn grey matter