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.
Sensory neurons carry impulses from the sense organs to the brain and spinal cord.They are referred to as afferent neurons.he main difference is that a sensory neuron carries messages in the form of electric impulse from sense organs to brain, whereas motor neurons carries messages to effect â¦ ive organs. 9 people found this useful. Invigilator - 007.