afferent nerve fibre

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afferent nerve fibre

anatomy

Also known as: sensory nerve fibre

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July 23, 2026

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Afferent nerve fibers are sensory pathways within the peripheral nervous system that transmit impulses from receptors to the central nervous system. These fibers originate from sensory ganglia, which are clusters of nerve cell bodies located on the dorsal roots of spinal nerves and cranial nerves.12

There are two main types of afferent fibers:
* General somatic afferent fibers: These carry sensory information from the body surface, muscles, tendons, and joints, responding to stimuli like pain, temperature, touch, pressure, and body position.1
* General visceral afferent fibers: These transmit sensory information from internal organs in the thorax, abdomen, and pelvis, such as pain signals from the digestive tract.1

Receptors, which convert environmental energy into electrical impulses, are connected to the central nervous system via these afferent nerve fibers.3

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nerve
…divided into two categories, namely, sensory (afferent) and motor (efferent). The fibres of these categories and their subdivisions constitute the functional components of the nerves. The combinations of such components vary in the individual cranial nerves; in the spinal nerves they are more uniform.
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…divided into two categories, namely, sensory (afferent) and motor (efferent). The fibres of these categories and their subdivisions constitute the functional components of the nerves. The combinations of such components vary in the individual cranial nerves; in the spinal nerves they are more uniform.
Read More

human respiratory system
Blood vessels, lymphatic vessels, and nerves
…the vessels are innervated by afferent and efferent fibres of the autonomic nervous system. Parasympathetic nerve fibres from the vagus nerve (10th cranial nerve) and sympathetic branches of the sympathetic nerve trunk meet around the stem bronchi to form the pulmonary autonomic nerve plexus, which penetrates into the lung along…
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…the vessels are innervated by afferent and efferent fibres of the autonomic nervous system. Parasympathetic nerve fibres from the vagus nerve (10th cranial nerve) and sympathetic branches of the sympathetic nerve trunk meet around the stem bronchi to form the pulmonary autonomic nerve plexus, which penetrates into the lung along…
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nervous system
The vertebrate system
…from the central nervous system; afferent, or sensory, fibres carry impulses toward the central nervous system. Visceral fibres innervate the viscera such as the heart and intestines, and somatic fibres innervate the body-wall structures such as skin and muscle. In the central nervous system the nerve fibres are organized in…
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…from the central nervous system; afferent, or sensory, fibres carry impulses toward the central nervous system. Visceral fibres innervate the viscera such as the heart and intestines, and somatic fibres innervate the body-wall structures such as skin and muscle. In the central nervous system the nerve fibres are organized in…
Read More