metagenesisyoudaoicibaDictYouDict
"The alternation of generations between sexual and asexual reproduction", Late 19th century: modern Latin.
agenesisyoudaoicibaDictYouDict
"Failure of development, or incomplete development, of a part of the body", Early 19th cent. From a- + genesis, after French agénésie.
PlantagenetyoudaoicibaDictYouDict
"Relating to the English royal dynasty which held the throne from the accession of Henry II in 1154 until the death of Richard III in 1485", From Latin planta genista 'sprig of broom', said to be worn as a crest by and given as a nickname to Geoffrey, count of Anjou, the father of Henry II.