GANGLION Meaning and
Definition
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A ganglion, in the context of human anatomy, is a rounded, cystic swelling or knot-like structure that forms on or near a tendon or joint. It is usually filled with a thick, gelatinous fluid and is often located on the back of the hand, wrist, or foot. Ganglions are noncancerous and can vary in size, ranging from small pea-sized bumps to larger structures.
Ganglions typically develop due to the excessive accumulation of synovial fluid, a lubricating substance found in joints. They often arise as a result of repetitive movements or excessive stress on a joint or tendon. While their exact cause is not fully understood, ganglions may also be associated with underlying joint and connective tissue disorders.
Symptoms of a ganglion often include a visible or palpable swelling that may be tender to touch. The size and location of the ganglion can sometimes cause discomfort and limit movement in the affected joint. Ganglions can also develop without causing any symptoms and may spontaneously resolve over time.
Treatment options for ganglions include observation, conservative management, and medical interventions. In some cases, the ganglion may resolve on its own without any intervention. However, if symptoms persist or worsen, various interventions such as aspiration (draining the fluid), injection of corticosteroids, or surgical removal may be considered. Recurrence of ganglions after treatment is possible, and ongoing management of underlying predisposing factors may be required to prevent their reoccurrence.
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1. An aggregation of nerve-cells within the brain, along the course of a sensory cranial nerve, on the posterior (sensory) root of a spinal nerve, in one of the organs of special sense, or forming one of the units of the sympathetic nervous system. 2. A lymph-node. 3. A circumscribed cystic swelling connected with a tendon sheath, due to the shutting off of a hernial protrusion of the synovial lining of the sheath.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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In anat., an enlargement in the course of a nerve; a tumour in the sheath of a tendon.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of GANGLION
The word "ganglion" has its origins in the Greek language. It is derived from the Greek word "gánglion", which means "a knot or a swelling". The term was initially used to refer to nerve swellings or knots, particularly in the context of nerve cells clustering together to form a structure. In modern usage, the term "ganglion" is still primarily used in medicine to describe a swelling or cyst formed by a localized collection of nerve cells.
Similar spelling words for GANGLION
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