Chimaera (redirected from ratfish)

Chimera

Any individual or molecule derived from 2 or more species
Embryology An individual that results when an embryonic part of one animal is grafted onto another, or a part from an animal is grafted onto another body
Genetics An organism with 2 or more cell lines, genotypes, or karyotypes descended from at least 2 zygotes—a very rare phenomenon seen only in twins, resulting from chorionic vascular anastomoses, transplantation, or double fertilization, and subsequent participation of both fertilized meiotic products in one developing embryo; all hermaphrodites should be karyotyped to evaluate possible chimerism
Transplantation The term chimera was also once used for a person who had received transplanted tissue—e.g., bone marrow—that survived in the recipient

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chimera, chimaera

1. a mythological, fire-spouting monster with a lion's head, goat's body and serpent's tail.

2. an animal whose body contains different cell populations derived from different zygotes of the same or different species, occurring spontaneously or produced artificially; i.e. an individual composed of a mixture of genetically different cells.

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chimera protein

see fusion protein.