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Neurotransmitters and Their Types

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A chemical substance present in neuron. Transmits nerve impulse from one to another neuron. Thus also called a mediator for impulse transmission. Transmission occurs through synapse. Discovered first by Otto Loewi in 1921. Was an Austrian scientist who practically came out with this discovery. Criteria for Neurotransmitters Various substances are categorized as neurotransmitters. Following criteria … Read more

Types of nerve fibres

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Nerves are the communication lines for transmitting impulses from one part of the body to another. They are elongated, slender, thread-like structures arising from the brain and spinal cord. They vary in length i.e. from 0.1 mm to several metres. In certain cases they may be almost equal to the body length. They are of … Read more