Parasitic twin Parasitic twin A parasitic twin (also known as an asymmetrical or unequal conjoined twin) is the result of the processes that also produce vanishing twins and conjoined twins, and may represent a continuum between the two. Parasitic twins occur when a twin embryo begins developing in utero, but the pair does not fully separate, and one embryo maintains dominant development at the expense of its twin. Unlike conjoined twins, one ceases development during gestation and is vestigial to a mostly fully formed, otherwise healthy individual twin. The undeveloped twin is defined as parasitic, rather than conjoined, because it is incompletely
Katona Twins Katona Twins The Katona Twins are a celebrated Hungarian guitar duo, comprising Péter and Zoltán Katona, identical twins. They have performed at prestigious venues and at major music festivals around the world. Their performances and recordings have been widely reviewed by the music press and they have been described as "the classical world's best-known guitar duo". The Katonas' repertoire includes Classical music, Tango and Spanish guitar. They have also adapted and arranged classical works for guitar duo. Their five album releases to date have included works by Handel, Scarlatti, Isaac Albéniz and Ástor Piazzolla. They also perform works by de