NEURODERMAL LAYER Meaning and
Definition
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The neurodermal layer refers to a specific anatomical layer or region within the skin that is associated with the nervous system. It is primarily made up of nerve endings, sensory receptors, and specialized cells that are involved in the transmission and processing of sensory information, such as touch, pressure, temperature, and pain. Located in the dermis, the second layer of the skin beneath the epidermal surface, the neurodermal layer plays a crucial role in relaying sensory signals from the skin to the brain.
The neurodermal layer contains various types of nerve fibers, including Meissner's corpuscles, Merkel cells, Pacinian corpuscles, and free nerve endings. Meissner's corpuscles are responsible for detecting light touch and low-frequency vibrations, while Merkel cells are involved in sensing pressure and texture. Pacinian corpuscles are key in detecting deep pressure and high-frequency vibrations, whereas free nerve endings are responsible for sensing pain, temperature, and itch.
The presence of the neurodermal layer also explains why humans can experience a variety of tactile sensations, ranging from gentle caresses to intense pain. It acts as a mediator between the external environment and the nervous system, allowing us to perceive and respond to different types of stimuli. The intricate network of nerve endings within the neurodermal layer enables the complex and precise detection of various sensory inputs, contributing to our ability to navigate and interact with the world around us.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for NEURODERMAL LAYER
Etymology of NEURODERMAL LAYER
The word "neurodermal" is a compound word derived from two roots: "neuro" and "dermal".
The term "neuro-" comes from the Greek word "neuron", meaning "nerve" or "sinew", and it typically refers to elements related to the nervous system. In this context, "neuro-" signifies the involvement of the nerves or the nervous system.
The term "dermal" originates from the Greek word "derma", which means "skin". It is used to describe anything related to or pertaining to the skin.
The combination of "neuro" and "dermal" in the word "neurodermal" suggests that it refers to something pertaining to both the nervous system and the skin. In this case, the "neurodermal layer" would describe the layer where the nervous system and the skin interact or coincide.
