Spinal Cord Anatomy

epidural space

What is the area labelled A called?

subarachnoid space

What is the area labelled B called?

central canal

What is the area labelled C called?

dura mater

Identify A.

arachnoid mater

Identify B.

pia mater

Identify C.

posterior gray horn

Identify A

lateral gray horn

Identify B.

anterior gray horn

Identify C.

posterior white column

Identify A

lateral white column

Identify B

anterior white column

Identify C

anterior median fissure

Identify B

posterior median sulcus

Identify A

A

Which lettered area does not contain CSF?

ventral root

Identify A

dorsal root ganglion

Identify B

dorsal root

Identify C

ventral

The axons of motor neurons are located in the ___ root.

dorsal

The axons of sensory neurons are located in the ____ root.

Cell bodies

______ of sensory neurons are located in the dorsal root ganglion.

posterior

Sensory nuclei are located in the ____ gray horn.

anterior

Somatic motor nuclei are located in the ___ gray horn.

lateral

Visceral motor nuclei are located in the ___ gray horn.

Ascending

_______ tracts carry sensory information along the spinal cord.

Descending

_______ tracts carry motor information along the spinal cord.

white

Myelinated axons are found in the ____ matter of the CNS.

central canal

B

anterior median fissure

C

anterior gray horn

D

dorsal gray horn

E

posterior white column

V

lateral white column

W

anterior white column

X