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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
How often are axons branched?
Axons can branch at various points along their length, particularly at the terminal end where they form connections with other neurons or muscles. The frequency of branching can depend on factors such as the neuron type, developmental stage, and activity level. In general, axon branching is a dynamic process that can occur throughout the lifespan of a neuron.
Are axons most located and protected within the CNS?
axons
Does the parasympathetic division have long preganglionic axons and a short ganglionic axon?
Yes, the parasympathetic division typically has long preganglionic axons and short ganglionic axons. The ganglia of the parasympathetic division are typically located near or within the target organ, leading to short postganglionic axons.
Are unmyelinated axons in the cerebral cortex?
Yes, unmyelinated axons are present in the cerebral cortex. While many neurons in the cerebral cortex have myelinated axons, some interneurons and shorter local circuit neurons have unmyelinated axons. These unmyelinated axons play a role in the local processing and communication within the cortex.
What are the functions of axons and dendrites?
axons conducts electrical impulses away from the neuronal cell body. dendrites are branched neuronal projections that conduct the electrical stimulation received from other neurons to the cell body from which they branch.
What is the highest number of axons a neuron can have?
A neuron can have at most one axon. However, an axon can branch - sometimes many times.
How do the conduction velocities of unmyelinated axons compare to myelinated axons?
Unmyelinated axons have slower conduction velocities compared to myelinated axons. Myelinated axons are able to conduct nerve impulses faster due to the insulation provided by the myelin sheath.
Do axons send or receive signals?
Axons send signals.
Explain the difference between axon and dendrites?
Axons transfer information away from cells, have smooth surfaces, are singular in a cell, do not have ribosomes, have myelin, and branch away from the cell. Dedrites transport information to the cells, have rough surfaces, are multiple in a cell, have ribosomes, do not have myelin, and branch near the cell.
What axons do nerves contain?
Nerves are like trees. The have branches call axons.
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
How often are axons branched?
Axons can branch at various points along their length, particularly at the terminal end where they form connections with other neurons or muscles. The frequency of branching can depend on factors such as the neuron type, developmental stage, and activity level. In general, axon branching is a dynamic process that can occur throughout the lifespan of a neuron.
What is another name for Myelinated axons?
In preserved brains, the myelinated axons look white. Therefore, what we call "white matter" is typically made of axons.
Are axons most located and protected within the CNS?
axons
What iscomposed of lipid material and covers axons?
The myelin sheath is composed of lipid material and covers axons.
What moves across axons in the nervous system?
Electrical impulses move across axons in the nervous system.
