The Following Questions Refer to the Figure Below of an Axial

question 13

Multiple Choice

The following questions refer to the figure below of an axial CT of the orbit.
-Which line points to the optic canal?

• A) A
• B) B
• C) C
• D) D

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Definitions:

Lateral Spinothalamic Tract

A pathway in the spinal cord that transmits pain and temperature sensations to the brain.

Anterior Spinothalamic Tract

The anterior spinothalamic tract is a sensory pathway of the spinal cord that carries information about light touch and pressure to the brain.

Tertiary Neurons

Neurons that receive signals from secondary neurons and typically transmit them to the brain or spinal cord for integration.

Extrapyramidal Tracts

A network of neurons not part of the pyramidal system, involved in the control of involuntary motor movements.