What is optic nerve?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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What is optic nerve?

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A peripheral nervous system's component that is formed by an enclosure of a cable-like bundle of the axons is defined as the nerve. The optic nerve can be defined as the second cranial nerve that extends from the eyeball's posterior region to the middle cranial fossa's suprasellar space. It functions to transmit the signals from the sense organ eye regarding visual perception, contrast, and color perception to the brain. The visual impulse for the accommodation and light reflex is also conducted by the optic nerve.

 

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