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During the depolarization phase, sodium ions enter the cell through the open ion-channels (Na+ influx).

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The axons of the retina culminate in what nerve?

the axons of the retina culminate in the optic nerve which forms a blind spot on the retina


What tissue has an axon?

Axons are part of nerve tissue, which is found within the nervous system. Nerve tissue is composed of neurons that contain axons for carrying nerve impulses.


What part of the nerve are Axons and dendrites?

cell


How does a nerve pass along messages?

Nerves transmit messages through electrical impulses known as action potentials. When a nerve is stimulated, ion channels in its membrane open, allowing sodium ions to flow in, which depolarizes the membrane. This change in voltage triggers adjacent ion channels to open, propagating the impulse along the nerve fiber. Once the impulse reaches the end of the nerve, it typically causes the release of neurotransmitters, which transmit the signal to the next nerve or target cell.


Do taste buds have axons to transport their information to the brain?

Taste buds do not have axons themselves; instead, they contain taste receptor cells that respond to tastants. These receptor cells release neurotransmitters when activated, which then stimulate the afferent nerve fibers associated with the taste buds. These nerve fibers, which do have axons, carry taste information to the brain through cranial nerves, primarily the facial nerve (VII), glossopharyngeal nerve (IX), and vagus nerve (X). Thus, while taste buds don't have axons, they communicate with the brain via the axons of associated nerve fibers.

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