Intragen

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Intragen, also known as intragenic, is an origin term / modifier for headmates who feels like they originated from within the system. This may include a sense of

identity with the shared body, or a sense that the member has been in the system their entire life, or before.

Its opposite is Extragen.

History
The term was coined by Tumblr user theoliviaset on May 14th, 2022, with inspiration for the name by Twitter user We_Are_Sanjo.