Figure 25.3 Identify the Labeled Structure(s) in Each of the Following Questions

question 58

Multiple Choice

Figure 25.3

Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label R.

• A) Rectum
• B) Ascending colon
• C) Sigmoid colon
• D) Transverse colon
• E) Descending colon

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Definitions:

Optic Nerve

A crucial nerve in the eye that transmits visual information from the retina to the brain.

Axon Fibers

Long, slender projections of nerve cells (neurons) that conduct electrical impulses away from the neuron's cell body.

Ganglion Cells

Neurons located in the retina that receive visual information from photoreceptors and transmit it to the brain.

Opponent-process Theory

A psychological and neurological model that explains how humans perceive colors as the brain processes signals from the eyes in an antagonistic manner.