-
according to
conventions of the time. Some
referred to her as a "dipygus
dibrachius tetrapus",
others named her
condition "'posterior dichotomy,' subvariety...
- two-headed.
Parapagus means joined side by side.
Dicephalic twins are called:
dibrachius, if they have two arms
altogether (one for each twin), tribrachius, if...
-
dicephalic parapagus have one
trunk and two heads, and may have two (
dibrachius),
three (tribrachius), or four (tetrabrachius) arms.
Survival rate is...
- 25% of all
Ischiopagus cases.
Duplicata incompleta,
dicephalus dipus dibrachius Archived 2009-08-19 at the
Wayback Machine, 2008-06-20 "Archived copy"...
- arms only.
There are Gr****-based
medical terms for the variations, e.g.
dibrachius means two-armed and
tribrachius means three-armed. Both
heads may contain...
