symmelia /simē″lyə/ [Gk, syn, together, melos, limb] , a developmental anomaly characterized by apparent fusion of the lower limbs. There may be three feet (tripodial symmelia), two feet (dipodial symmelia), one foot (monopodial symmelia), or no feet (sirenomelia). See also symmelus, sympus, sirenomelia, monopodial symmelia, dipodial symmelia, tripodial symmelia.
