Neuron

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Simplified definition

Brain cell that receives information from the external environment and sends commands to our body by connecting to other neurons.

Source: Houria Aiouaz, for Alzheimer Foundation

Referenced definition

“Any of the impulse-conducting cells that constitute the brain, spinal column, and nerves, consisting of a nucleated cell body with one or more dendrites and a single axon.”

Source: Termium Plus. Neuron. [Internet]. Sept 2001 [cited on Sept 7, 2022]. 

Context

“[In Alzheimer’s] the loss of neurons spreads in a somewhat predictable pattern to other regions of the brains. By the late stage of the disease, the brain has shrunk significantly.”

Source: Mayo Clinic. Alzheimer’s disease. [Internet]. [cited on Sept 7, 2022].

Note

  • The more we learn new things, the more our neurons make connections.
  • The human brain has 100 billion neurons.
  • There are different types of neurons according to the different functions of the brain, such as sensory neurons, motor neurons, and interneurons, which connect sensory and motor neurons.

A neuron:

Several neurons in the brain:

 

Synonym(s)

Nerve cell

Neuron : RELATED DEFINITIONS

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