janiceps

janiceps

 [jan´ĭ-seps]
conjoined twins with a single head and faces on the anterior and posterior aspects.

jan·i·ceps

(jan'i-seps),
Conjoined twins with their two heads fused together, with the faces looking in opposite directions. See: conjoined twins.
See also: craniopagus, syncephalus.
[L. Janus, a Roman diety having two faces, + caput, head]

janiceps

[jan′əseps]
Etymology: L, Janus, two-faced Roman god, caput, head
a conjoined twin fetus in which the heads are fused, with the faces looking in opposite directions. The faces and bodies of both twins may be fully formed, or one member may be only partially formed and act as a parasite on the more fully developed fetus.

janiceps

a double monster with one head and two opposite faces.
References in periodicals archive ?
Ultrafast magnetic resonance imaging of cephalothoracopagus janiceps disymmetros.