Principles Of Neuroscience - General Concepts Flashcards
When positive ions flow into a cell, it is…
Depolarised and thus more excitable
When negatively charged ions flow into a cell, the neuron…
Is hyperpolarised and thus is less excitable
Which neurotransmitter is used in the lower motor neurons?
Acetylcholine
What are the receptors in the skeletal Neuro muscular junctions?
nAChR, N1
Describe the location of white and grey matter in the spinal cord
Outer: white matter
Inner: grey matter
Describe the location of white and grey matter in the brain
Cortex: grey matter
Subcortical: white matter
What makes white matter white?
Myelination
Which cell myelinates the neurons in the CNS?
PNS?
CNS: Oligodendrocytes
PNS: Schwann cells
What is the cerebral cortex?
It is the outmost layer of the brain, ie the grey matter
What is the categorisation of the vagus nerve?
Autonomic nervous system
Parasympathetic