The condition has a scientific basis called Diprosopus
Parapagus conjoined twins can be divided into two types: Parapagus dicephalus (two heads, single trunk/abdomen/pelvis with 4-7 limbs) which was the presented case, and parapagus diprosopus
(two faces on a single head, single trunk/abdomen/pelvis and four limbs).
Estas fusiones grandes y laterales que incorporan multiples regiones, se nombran segun la parte anatomica que queda separada, como en el caso de los siameses dicefalos donde la fusion corresponde al torax y el abdomen; los mas frecuentes son los siameses toracopagos (32,7%) y los mas raros son los diprosopus
(0,4%) (25, 26) (figura 1D).
Graham Jr., "Diprosopus
: a pregastrulation defect involving the head, neural tube, heart, and diaphragm," Birth Defects: Original Article Series, vol.
sharks: record of a two-headed embryo of Galeus atlanticus and review of the literature," was published in the (http://onlinelibrary.wiley.com/doi/10.1111/jfb.13175/abstract) Journal of Fish Biology .
Partial facial duplication (diprosopus
) in a goat kid.
The twins suffered from the rare condition diprosopus
, where they shared an unusually-shaped skull with duplicated facial features and separate brains joined at the stem.
Since the 1800s there have been less than 40 cases of people being born with their condition, known as diprosopus
, and even fewer have survived beyond birth.
Vet, Dr Erica Drake, said she thought that the kitten was born with a rare condition called diprosopus
According to Medicine Net.com, the condition is called diprosopus
, which happens when twins start to form and do not completely separate.