_____________ are made up of large bundles of neuron axons.

Related MCQs

• Within the axons of the neuron are _________________, which are held in storage-like vesicles until they are released when the neuron is stimulated.
• In the brain and spinal cord, areas that are mostly axons are called ___________ which is possible to differentiate pathways or tracts of these axons.
• The _______________ bundle of neuron axons that carries information in the peripheral nervous system.
• ________________ is the process by which neurotransmitter molecules detach from a postsynaptic neuron and are reabsorbed by the presynaptic neuron so they can be recycled and used again.
• The ________________ is a tiny space between the axon terminal of one neuron and the dendrite of an adjoining neuron.
• _________________ are the small gaps in the myelin sheath surrounding the axons of many neurons.
• Speeds along myelinated axons can reach ____________ miles per hour.
• Damage to the ___________________ surrounding axons can seriously affect synaptic transmission.
• A thick bundle of axons called the __________________ connects the two hemispheres and serves as their primary communication link.
• Within the neuron, information is communicated in the form of brief electrical messages called _______________.