chi�me�ra
Pronunciation: kI-'mir-&, k&-
Function: noun
Etymology: Latin chimaera, from Greek chimaira she-goat, chimera; akin to Old Norse gymbr yearling ewe, Greek cheimOn winter -- more at HIBERNATE
1 a capitalized : a fire-breathing she-monster in Greek mythology having a lion's head, a goat's body, and a serpent's tail b : an imaginary monster compounded of incongruous parts
2 : an illusion or fabrication of the mind; especially : an unrealizable dream <a fancy, a chimera in my brain, troubles me in my prayer -- John Donne>
Read about human chimeras here.
A human chimera is; "...The boy, who was otherwise healthy, is one of only a handful of known true human chimaeras - people carrying tissues that originated in two separate embryos..."
Shifting shapes in the dark. Chimeras are everywhere, in a way.
Think about it.