Academy of Doctors of Audiology. Advanced Beneficiary Notice FAQ. The Advanced Beneficiary Notice of Noncoverage (ABN) is a Medicare document that is used to notify Medicare beneficiaries of their potential financial responsibilities prior to the rendering of a service or the dispensing of an item.
primary sensory neuron. A sensory neuron that is the first in an afferent pathway, beginning at the receptor and ending at a synapse with a secondary sensory neuron, often within a nucleus of the central nervous system. One common type is the pseudounipolar neuron. 1  pseudounipolar neuron.  secondary sensory neuron.
Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. Sensory neurons are nerves that carry electrical signals only toward the Central Nervous System. These nerves are found in the ganglia. Sensory neurons are nerves that carry electrical signals only toward the Central Nervous System. These nerves are found in the ganglia.