Neurite

Neurite is a term used in neuroscience to describe a projection from the body of a neuron, specifically a neuron or nerve cell. Neurites are essential components of neurons, as they are responsible for receiving and transmitting signals from and to other neurons. There are two types of neurites: axons and dendrites.

Structure

Neurites are made up of a substance called neuroplasm, which is enclosed by a cell membrane. The neuroplasm contains organelles and a cytoskeleton, which helps to maintain the shape of the neurite and transport substances along its length.

Function

The primary function of neurites is to transmit signals from one neuron to another. This is achieved through the process of synaptic transmission, where an electrical signal in one neuron triggers the release of neurotransmitters into a small gap called the synapse. These neurotransmitters then bind to receptors on the neurite of a neighboring neuron, triggering an electrical signal in that neuron.

Growth and Development

The growth and development of neurites is a complex process that is regulated by a variety of factors, including gene expression, protein synthesis, and the local environment. This process, known as neuritogenesis, is crucial for the formation of the complex networks of neurons that make up the nervous system.

Clinical Significance

Abnormalities in neurite growth and development can lead to a variety of neurological disorders, including neurodegenerative diseases like Alzheimer's disease and Parkinson's disease, and psychiatric disorders like schizophrenia and autism.

See Also

• Neuron
• Axon
• Dendrite
• Neuroplasm
• Synaptic transmission
• Neuritogenesis

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  Neurite growth in a microfluidic device

Neurite

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  Neurite growth in a microfluidic device