== System-exclusive sexes ==
* [[Aivotsex]]: when a non-human alterheadmate has sex traits within the innerworld that are not describable as male, female, or [[intersex]].
* [[Cambiosex]]: when an alterheadmate has sex traits that change within the innerworld.
*[[Innsex]]: when an alterheadmate has their sex changed medically in the innerworld.
* [[Miscesex]]: when an alterheadmate has a mix between a penis and vagina/has [[Ambiguous Genitalia|ambiguous genitals]] in the innerworld.
* [[Neisex]]: when an alterheadmate doesn't have a sex (while not exactly being [[teresex]] either) in the innerworld.
*[[Samostasex]]: an alterheadmate who has an innerworld sex that differs from their outward body's sex.
*[[Swapsex]]: an alterheadmate who's sex swapped or changed in the innerworld.
* [[Tómtsex]]: when an alterheadmate has missing or partial sex traits in the innerworld.
== System-exclusive sex-related genders ==
* [[Aivotgender]]: an alterheadmate who is aivotsex and feels as though their sex affects their gender.
* [[Cambiogender]]: an alterheadmate who is cambiosex and feels as though their sex affects their gender.
*[[Inngender]]: an alterheadmate who is innsex and feels as though their sex affects their gender.
* [[Miscegender]]: an alterheadmate who is miscesex and feels as though their sex affects their gender.
* [[Neigender]]: an alterheadmate who is neisex and feels as though their sex affects their gender.
*[[Swapgender]]: an alterheadmate who's swapsex and feels as though their sex affects their gender.
* [[Tómtgender]]: an alterheadmate who is tómtsex and feels as though their sex affects their gender.
== History ==
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