-pagus

  1. a combining form used in the names of severely malformed, usually nonviable, conjoined twins, with the site of attachment specified by the initial element: thoracopagus.

Origin of -pagus

< New Latin < Greek págos fixation, something fixed or solid
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-pagus in Medicine

-pagus

suff.
  1. Conjoined twins:ectopagus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.