Sexual inversion may refer to:
*
Sexual inversion (sexology)
Sexual inversion is a theory of homosexuality popular primarily in the late 19th and early 20th century. Sexual inversion was believed to be an inborn reversal of gender traits: male inverts were, to a greater or lesser degree, inclined to trad ...
, a term for homosexuality found primarily in older scientific literature
** ''Sexual Inversion'', a textbook by
Havelock Ellis
Henry Havelock Ellis (2 February 1859 – 8 July 1939) was an English physician, eugenicist, writer, progressive intellectual and social reformer who studied human sexuality. He co-wrote the first medical textbook in English on homosexuality in ...
about homosexuality
* A
metamorphic
Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism. The original rock ( protolith) is subjected to temperatures greater than and, often, elevated pressure of or more, cau ...
change in the gender of an animal
* A reversal in the normal
sexual behavior of an animal, e.g. males being submissive, or females exhibiting mounting behavior
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LGBT non-fiction books