MYELINATED Meaning and
Definition
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The term "myelinated" is an adjective that pertains to myelin, a fatty substance that forms a protective covering around certain nerve fibers in the body. Myelination is a crucial process in the development and function of the nervous system. It enhances the efficiency of transmitting electrical signals between nerve cells, enabling rapid and precise communication.
When referring to nerve fibers, the term "myelinated" describes those fibers that have been enveloped by myelin. This protective sheath, composed mainly of lipids, forms a segmented pattern along the length of the nerve fiber, leaving small gaps called the "nodes of Ranvier" between each segment. The myelin acts as an insulator, preventing the leakage of electrical signals and increasing the speed at which nerve impulses travel along the fiber. This process is known as saltatory conduction.
In the human body, myelinated nerve fibers can be found in various regions, including the brain, spinal cord, and peripheral nerves. They play a fundamental role in sensory perception, motor control, and cognition.
The myelination process occurs primarily during early development and continues throughout adolescence. A fully matured nervous system possesses a vast network of myelinated fibers, ensuring efficient neural communication. Disorders affecting myelination, such as multiple sclerosis, can disrupt the normal functioning of the nervous system, resulting in various neurological impairments.
In summary, "myelinated" refers to nerve fibers that have been coated with myelin, a fatty substance that facilitates the rapid and efficient transmission of electrical signals within the nervous system.
Common Misspellings for MYELINATED
Etymology of MYELINATED
The word "myelinated" originates from the combination of two terms: "myelin" and "-ated".
The term "myelin" comes from the Greek word "muelos", meaning marrow or spinal cord. Myelin is a fatty substance that forms a protective covering around nerve fibers in the vertebrate central nervous system. It helps in the transmission of electrical impulses along the nerve fibers, allowing for faster and more efficient communication between cells.
The suffix "-ated" is derived from the Latin word "-atus", which is used to form adjectives from nouns and verbs. It indicates the process of being affected by or possessing the quality described by the root word.
Therefore, when combined, "myelinated" refers to the state or condition of having myelin, specifically in relation to nerve fibers. It describes the nerve fibers that are covered or surrounded by myelin.
Similar spelling words for MYELINATED
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