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Janus head
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Janus head

physical abnormality
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The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.

The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • malformation
    / Doubling of parts

    …in which there is a Janus head, two faces on a single head and body. Janus malformations have been produced experimentally in amphibian embryos by a variety of treatments in early stages. A group of cases in which the hinder end of the body was doubled from the sacrum back…

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    …in which there is a Janus head, two faces on a single head and body. Janus malformations have been produced experimentally in amphibian embryos by a variety of treatments in early stages. A group of cases in which the hinder end of the body was doubled from the sacrum back…

    Read More