a fetal malformation in which a parasitic twin is attached to the autosite's jaw.
po·lyg·na·thus(pō-lig'nă-thus), In the diphthong gn, the g is silent only at the beginning of a word.
Unequal conjoined twins in which the parasite is attached to the jaw of the autosite. See: conjoined twins.
[poly- + G. gnathos, jaw]
polygnathus(pō-lĭg′nă-thŭs) [″ + gnathos, jaw]
Conjoined twins of unequal size in which the smaller is attached to the jaw of the larger.
a double monster in which a parasitic twin is attached to the autosite's jaw.