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   gan·gli·on

   /ˈɡaNGɡlēən/

   noun

   • 1. a structure containing a number of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.
   • ▪ a network of cells forming a nerve center in the nervous system of an invertebrate.
   • ▪ a well-defined mass of gray matter within the central nervous system.
   • 2. an abnormal benign swelling on a tendon sheath.

   Word Origin late 16th century: via Latin from Greek ganglion ‘tumor on or near sinews or tendons’, to which the ancient Greek physician Galen compared complex nerve centers.

   Derivatives

   • 1. gangliform adjective
   • 2. ganglionated adjective
   • 3. ganglionic adjective

   Scrabble Points: 10

   • G

     2

   • A

     1

   • N

     1

   • G

     2

   • L

     1

   • I

     1

   • O

     1

   • N

     1

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