| 释义 |
hypognathus hy·pog·na·thus (hī-pog'nă-thŭs), In the diphthong gn, the g is silent only at the beginning of a word.Unequal conjoined twins in which the rudimentary parasite is attached to the mandible of the autosite. See: conjoined twins. [hypo- + G. gnathos, jaw] |