Nervous System (Neurons) Flashcards
What is the functional classification of a neuron?
Functional unit of the nervous system
Describe the structure of a neuron?
Have long processes that extend outward from the cell body; dendrites and axons
What are the functions of dendrites on a neuron?
Receive incoming signals
What are the functions of an axon on a neuron?
Carry outgoing signals
What is the flow of signals through a neuron?
Input signal comes through the dendrites > intergrating into the cell body > sends info down the axon > output signal leaves axon terminal
Sensory neurons can classified into what types of neurons?
Pseudounipolar
Bipolar
Describe the structure of a pseudounipolar sensory neuron?
One short stem that divides into two processes
Describe the structure of a bipolar sensory neuron?
Two separate processes from the cell body
What are the structural classifications of the Interneurons of the CNS?
Anaxonic
multipolar (interneuron)
Describe the structure of an anaxonic interneuron
No apparent axon visible
Describe the strucure of a multipolar interneuron
Highly branched and lack long extentions
How are effrent neurons structurally classified?
Multipolar (efferent)
Describe a multipolar efferent neuron
Has multiple processes
