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Q: What triggers an action potential in the optic nerve?
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What nerve carries the action potentials from the ganglion cells to the thalamus of the brain?

The optic nerves carry the impulses from the eyes to the visual area of the thalamus.


What nerve is composed of axons of the ganglion cells and transmits action potentials the thalamus of the brain?

Optic nerve


What nerve carries signals from the from the retina to the brain?

Occipital nerve. It is the second cranial nerve.


What is the point where the optic nerve enters the eyeball?

Point where optic nerve enters eyeball is the optic disc.


What is the junction of the retina and optic nerve?

The junction between the retina and the optic nerve is the optic disc.


What part of brain connects brain and eyes?

Optic nerve. Well, it connects the retina to the brain. The muscles of the eye also connect to the brain, but not through the optic nerve.


What nerve is responsible for visual signals to the brain?

optic nerve


What can the optic nerve be identified with?

The optic nerve can be identified with the sense of sight.


Does the optic nerve pass through the foramen ovale?

The natural blind spot (scotoma) is due to lack of receptors (rods or cones) where the optic nerve and blood vessels leave the eye. It is where the optic nerve leaves the retina not enter it. The optic disk or blind spot is where the optic nerve leaves the eye; you cannot use that field of vision because the optic nerve is there.


Right optic nerve?

your optic nerve attatches your eye and brain together


What carries nerve impulses from the eye to the brain?

The optic nerve


Which cranial nerve is the sense of sight?

Optic Nerve (Cr. N. II)