Anatomy Test 3 (8)
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increases heart rate, helps support exercise or emergency actions, the "flight or fight' response
sympathetic division (Motor part of ANS)
slows down heart rate, takes care of "rest and digest" activities
parasympathetic division (Motor part of ANS)
Neuronal cell bodies also contain free ribosomes and prominent clusters of rough endoplasmic reticulum
function of nissl body
synthesizes proteins (site of protein synthesizes)
Is a general term for any neuronal process (extension) that emerges from the cell body of neuron.
what a nerve fiber describes
neuronal processes (extension)
Have one main dendrite and one axon. They are found in the retina of the eye, the inner ear and the olfactory of the brain
Usually have several dendrites and one axon. Most neurons in the brain and spinal cord are of this type, as well as all motor neurons
Have dendrites and one axon that are fused together to form a continuous process that emerges from the cell body
Where are purkinje cells found
When does the schwann cells begin to wrap around the nerve fiber to insulate it.
During fetal development
Myelinates a single axon
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