polycephaly

thumb|The Giacomo and Giovanni Battista Tocci|Tocci Brothers, c. 1881

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Commons category: Two-headed animals

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Article

40 sections

Contents

Occurrences
Occurrence in humans
Dicephalus parapagus dipus
Craniopagus parasiticus
Occurrence in animals
Anatomy and fitness
Questions on number of organisms
Two faces on one head
Earliest known occurrence
List of notable occurrences
Dicephalic conjoined twins (dicephalus parapagus dipus)
Craniopagus parasiticus
Non-human mammals
Cats
Cattle
Pigs
Goats and sheep
Mice
Reptiles
Snakes
Turtles and Tortoises
Choristoderes
Birds
Mythological occurrences
Mesopotamian mythology
Greek mythology
Iranian mythology
Hinduism
Taoism
Occultism
Ancient Mediterranean civilizations
European culture
Eastern Europe
Northern Europe
Japan
Korea
Judaism
Heraldry
See also
External links

thumb|The Giacomo and Giovanni Battista Tocci|Tocci Brothers, c. 1881

Polycephaly is the condition of having more than one head. The term is derived from the Greek stems poly (Greek: "πολύ") meaning "many" and kephalē (Greek: "κεφαλή") meaning "head". A polycephalic organism may be thought of as one being with a supernumerary body part, or as two or more beings with a shared body.