nerve ring
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 23:31, 13 September 2013 by Andreas Plank (Talk | contribs) (1 revision: import_definition-left-simple)
nerve fibers, may be around the mouth, esophagus, anus, bell margin, etc.
nerve ring: Any ring of
See also: circumesophageal commissure