Addiction and neural ageing
Addiction and neural ageing

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Glossary


Glossary for SD805_2
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N

neural

Adjective describing the nervous system and its constituent cells (neurons).


neural pathway

A pathway of neurons over which information is transmitted.


neural sensitisation

A process by which the efficacy of processes within the nervous system are strengthened. For example, taking a drug into the body might sensitise those processes that underlie drug craving, thereby creating a vicious circle (or ‘positive feedback’ effect).


neuraxis/neuraxial

The central nervous system as seen in the spatial dimension, extending from the cerebral cortex to the lower end of the spinal cord.


neurites

Dendrites or axons grown from neurons.


neurofibrillary tangles

Dense bundles of long unbranched filaments in the cytoplasm of some neurons. Made exclusively of microtubule-associated proteins (MAPs).


neurogenesis

The process of proliferation of a neuronal progenitor cell.


neuroleptic

A type of drug that is antagonistic to dopamine


neurological disorder

A disorder of behaviour or personality brought about by damage to the brain. Sometimes called an organic disorder.


neuromuscular junction

A special type of synapse formed by the junction between a motor neuron and a muscle fibre.



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