Neuroanatomy Module: Sensory Pathways

Front 1

What is a DORSAL ROOT GANGLION

Back 1

Collection of sensory cell bodies outside the spinal cord

Front 2

Neurones that detect changes in, and control the activity of, THE VISCERA, are collectively referred to as ___________________________.

Back 2

AUTONOMIC NERVOUS SYSTEM

Front 3

the SYMPATHETIC & PARASYMPATHETIC SYSTEMS ARE PART OF The

Back 3

AUTONOMIC NERVOUS SYSTEM

Front 4

Present only in the Thoracic vertebrae, _________________, contain preganglionic neurons of the ___________________________ system

Back 4

LATERAL HORNS, SYMPATHETIC

Front 5

The principal ASCENDING TRACTS in the Dorsal Columns are the ________________________________ which carry _________________ impulses.

Back 5

Fasciculus Gracilis + Fasciculus Cuneatus; fine touch + proprioreception

Front 6

Pain, temperature, coarse touch, pressure, all carried by the _____________________.

Back 6

SPINOTHALAMIC TRACTS.

Front 7

Information is carried to the cerebellum from muscle + joint receptors by the ____________________________.

Back 7

SPINOCEREBELLAR TRACTS.

Front 8

Voluntary, skilled movement is carried by _________________________.

Back 8

Lateral Corticospinal Tracts.

Front 9

What is the topographical arrangement of fibres within the internal capsule?

Back 9

SOMATOTOPIC

Front 10

___________________ do not have sensory locations on the post central gyrus.

Back 10

The Viscera

Front 11

The somatotopic map is the projection of the body surface onto a brain area that is responsible for our sense of touch and that is called the _______________.

Back 11

somatosensory cortex

Front 12

Axons from the Upper Limb ascend in the Fasciculus _________________

Back 12

Cuneatus, rostrally

Front 13

Axons from the Lower Limb ascend in the Fasciculus _________________

Back 13

Gracilus, caudally

Front 14

the Fasciculus Cuneatus and the Fasciculus Gracilus ascend in the ________________________.

Back 14

DORSAL WHITE COLUMNS

Front 15

The axons in the FC + FG travel to the ___________________
where they synapse onto upper motor neurons

Back 15

Thalamus

Front 16

The Dorsal Columns contain the ____________________ Pathway

Back 16

Medial Lemniscus

Front 17

The Medial Lemniscus conveys _______________________

Back 17

Fine Touch and Proprioreception

Front 18

sensory neurons which project from the body to the spinal cord

Back 18

pseudo-unipolar neurons

Front 19

The Thalamus is NOT considered part of the Brain Stem (T/F)

Back 19

True

Front 20

The Cuneate & Gracile Nuclei are the point at which the axons synapse onto the cell bodies of the upper neurons, which then _____________________

Back 20

decussate

Front 21

The fibres along which the Medial Lemniscus decussates are known as _____________________.

Back 21

Internal Arcuate Fibres

Front 22

Internate Arcuate Fibres arch across the ______________ in a cross section

Back 22

brain stem

Front 23

As these fibres continue their path upward through the rest of the brain stem, they become what is known as the ______________________.

Back 23

Medial Lemniscus Pathway.

Front 24

The axons in the MLP synapse on cell bodies in the ____________________.

Back 24

Thalamus

Front 25

The cell bodies in the Thalamus where the MLP axons synapse are called, collectively ______________________.

Back 25

Ventral Posterolateral Nucleus

Front 26

The VPN, in turn, sends projections to the _________________________________.

Back 26

Postcentral Gyrus of the Cortex

Front 27

The primary sensory area of the brain is known as the _____________________________.

Back 27

POSTCENTRAL GYRUS

Front 28

The first cell body of the ML Pathway is in the __________________________.

Back 28

Dorsal Root Ganglion

Front 29

The 2nd cell body in the ML Pathway is in the _____________________________.

Back 29

Cuneate or Gracilus Nucleus in Medulla O

Front 30

The 2nd cell body in the ML Pathway is in the _____________________________.

Back 30

Ventral Posterolateral Nucleus in the Thalamus

Front 31

SPINOTHALAMIC TRACT starts with

Back 31

a pseudo-unipolar neuron.

Front 32

Pain or temps sensation enters the spinal cord and ascends or descends one/two vertebral levels in Lissauer's Fasciculus until it synapses with a cell body in the _______________________

Back 32

DORSAL HORN

Front 33

At the level of synapse with the second order neuron in the dorsal horn, the tract _________________ across the ______________________________.

Back 33

Decussates; anterior white commissure

Front 34

sensory cell bodies within the DORSAL HORNS where the first order neurons synapse before decussation are known as ______________________________ or ______________________________.

Back 34

SUBSTANTIA GELATINOSA or NUCLEUS PROPRIUS

Front 35

As the axon then ascends from its point of decussation, it is known as the SPINOTHALAMIC TRACT until

Back 35

it synapses onto the THALAMUS.

Front 36

The POST CENTRAL GYRUS is a ____________________ area.

Back 36

PRIMARY SENSORY

Front 37

______________________________ is the route by which the STT travels up or down levels before synapsing to the spinal cord grey matter.

Back 37

Lissauer's Fasciculus

Front 38

Both the Dorsal Horn - Medial Lemniscus AND the Spinothalamic Tract pathways are _____________________________ -neuron _________________ pathways.

Back 38

3, sensory