词根词缀：clavi-, clav-
【来源及含义】Latin: knotty stick, club
【同源单词】clava, clavate, clavicorn, claviform, claviformed, clavola
词根词缀：ganglio-, gangli-
【来源及含义】Greek > Latin: swelling, a knot; center of a cavity; nerve center; pertaining to a mass of nerve tissue
【相关描述】According to Galen [Galenius or Galenos], Clausius [Clarissmus], a Greek physician and medical scientist in Rome c. A.D. 130-201; the proper sense of the element is "anything gathered into a ball," conglobatus.
【同源单词】ganglia, gangliated, gangliform, ganglion, ganglionated, ganglionectomy
词根词缀：nod-, nodu-
【来源及含义】Latin: knot, knob; lump