what is A

[image]

Lateral Funiculus

What is B?

[image]

Posterior Funiculus

What is C?

[image]

Anterior Horn (motor)

What is D?

[image]

Anterior Median Fissure

What is E?

[image]

Central Canal

What is A?

[image]

Anterior White Commissure

What is B?

[image]

Lateral Horn

What is C?

[image]

Posterolateral Sulcus

What is D?

[image]

Posterior Median Sulcus

What is E?

[image]

Anterior Funiculus

What is F?

[image]

Posterior Horn (sensory)

What is A?

[image]

Grey Commissure

What is B?

[image]

Intermediate Grey

What is C?

[image]

Anteriror Root (motor)

What is D?

[image]

Posterior Root (sensory)

What is E?

[image]

Posterior Root Ganglion

Where do sensory primary afferents begin?

In the periphery

Where does the spinal cord begin?

at the Foramen magnum

Where does the spinal cord end in adults

Vertebral Body L2

What oes a spinal cord segment consist of?

1 pair of spinal nerves

Spinal Nerves are made up of ...

a posteriror root and an anteriror root

What are the components of a reflex arc?

Receptor

Afferent Neuron (sensory)

Interneurons

Efferent Neuron (motor)

Target (gen. skeletal muscle)

What is a reflex?

a stereotyped response to a given sensory input that does not require conscious cortical participation

looks the same every time the same stimulus is given

What is a "spinal reflex"?

a reflex with all the circutry contained within the spinal cord

What is the end of the spinal cord?

conus medullaris

What are the divisions of the spinal cord?

8 cervical

12 thoracic

5 lumbar

5 sacral

What causes the 2 enlargements of the spinal cord?

an increase in the number of neurons

What are the two enlargements in the spinal cord?

Cervical Enlargement 

Lumbar Enlargement

What is the network of axons called that comes from the Cervical Enlargement?

Brachial Plexus

What is the network of axons called that comes from the Lumbar Enlargement?

Lumbosacral Plexus

What section of spinal cord is this?

[image]

Cervical Spinal Cord

What section of spinal cord is this?

[image]

Lumbar Spinal Cord

What section of spinal cord is this?

[image]

Thoracic Spinal Cord

What section of spinal cord is this?

[image]

Sacral Spinal Cord

What section of spinal cord is this?

[image]

Cervical Spinal Cord

Which view of the spinal cord is this?

[image]

Anterior View

What is A on this Anteiror View of the spinal cord?

[image]

the Anteriror Root

What view of the spinal cord is this?

[image]

Posterior View of the spinal cord

What is A on this Posterior View of the spinal cord?

[image]

the Posterior Root

What is A?

[image]

Conus Medullaris

What is B?

[image]

Filum Terminale

What is C?

[image]

Posterior Root Ganglion

What is D?

[image]

Cauda Equina

What is B?

[image]

Anterior Median Fissure