Neuroeffector junction

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Neuroeffector Junction

The neuroeffector junction is a specialized type of synapse where a motor neuron communicates with a non-neuronal cell, such as a muscle or gland cell. This junction is crucial for the transmission of signals from the nervous system to the effector organs, enabling the body to respond to various stimuli.

Structure[edit | edit source]

The neuroeffector junction is composed of a presynaptic neuron and a postsynaptic effector cell. The presynaptic neuron releases neurotransmitters into the synaptic cleft, which then bind to receptors on the postsynaptic effector cell, triggering a response.

Function[edit | edit source]

The primary function of the neuroeffector junction is to transmit signals from the nervous system to the effector organs. This is achieved through the release of neurotransmitters from the presynaptic neuron, which bind to receptors on the postsynaptic effector cell, triggering a response.

Types of Neuroeffector Junctions[edit | edit source]

There are two main types of neuroeffector junctions: cholinergic and adrenergic. Cholinergic junctions utilize the neurotransmitter acetylcholine, while adrenergic junctions utilize the neurotransmitters norepinephrine and epinephrine.

Clinical Significance[edit | edit source]

Dysfunction of the neuroeffector junction can lead to a variety of medical conditions, including myasthenia gravis, a neuromuscular disease characterized by weakness and fatigue of the voluntary muscles.

See Also[edit | edit source]


Neuroeffector junction Resources

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