afferent nerve
Quick Summary
Afferent nerves are a crucial part of the nervous system, responsible for carrying sensory information from the body's periphery towards the central nervous system (brain and spinal cord). These nerves are a type of neuron that acts as a communication pathway, transmitting signals that allow us to sense our environment, including pain, temperature, touch, and body position.12
The term "afferent" specifically means conducting inward or toward a central point. In the context of the nervous system, afferent nerve fibers originate from sensory receptors and transmit impulses to the central nervous system for processing. This sensory input is vital for the body's ability to react to stimuli and maintain homeostasis.342
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- painPhysiology of pain
…by two types of primary afferent nerve fibres that transmit electrical impulses from the tissues to the spinal cord via the ascending nerve tracts. The A delta fibres are the larger and the most rapidly conducting of the two types, because of their thin myelin covering, and, therefore, they are…
Read More…by two types of primary afferent nerve fibres that transmit electrical impulses from the tissues to the spinal cord via the ascending nerve tracts. The A delta fibres are the larger and the most rapidly conducting of the two types, because of their thin myelin covering, and, therefore, they are…
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human sensory receptionBasic features of sensory structures…(synapse) with secondary, ingoing (afferent) nerve cells that carry the nerve impulse. In some receptors, such as the skin, the individual primary cells possess threadlike structures (axons) that may be yards long, winding from just beneath the skin surface through subcutaneous tissues until they reach the spinal cord. Here,…
Read More…(synapse) with secondary, ingoing (afferent) nerve cells that carry the nerve impulse. In some receptors, such as the skin, the individual primary cells possess threadlike structures (axons) that may be yards long, winding from just beneath the skin surface through subcutaneous tissues until they reach the spinal cord. Here,…
Read More- human sensory receptionNerve function
Sensory (afferent) impulses from stretching the receptors (e.g., in the muscles) relay to the spinal cord and activate a path to the motor (efferent) nerves leading back to the same muscle. The knee jerk is a purely spinal reflex response (the brain is not required) which…
Read MoreSensory (afferent) impulses from stretching the receptors (e.g., in the muscles) relay to the spinal cord and activate a path to the motor (efferent) nerves leading back to the same muscle. The knee jerk is a purely spinal reflex response (the brain is not required) which…
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