Eversion (from the verb ''evert'') is the process of turning inside-out. Eversion may refer to: *

Eversion (kinesiology) Motion, the process of movement, is described using specific anatomical terms. Motion includes movement of organs, joints, limbs, and specific sections of the body. The terminology used describes this motion according to its direction relativ ...

, the anatomical term of motion denoting the movement of the sole of the foot away from the median plane * ''Eversion'' (video game), a 2010 platform video game by Guilherme S. Tows * In

sea cucumber Sea cucumbers are echinoderms from the class (biology), class Holothuroidea ( ). They are benthic marine animals found on the sea floor worldwide, and the number of known holothuroid species worldwide is about 1,786, with the greatest number be ...

s, a form of autotomy in which the animal ejects its internal organs as a defensive strategy * Stomach eversion in

starfish Starfish or sea stars are Star polygon, star-shaped echinoderms belonging to the class (biology), class Asteroidea (). Common usage frequently finds these names being also applied to brittle star, ophiuroids, which are correctly referred to ...

, where prey is digested externally through an inside-out stomach, usually into a bivalve. *

Sphere eversion In differential topology, sphere eversion is a theoretical process of turning a sphere inside out in a three-dimensional space (the word ''wikt:eversion#English, eversion'' means "turning inside out"). It is possible to smoothly and continuou ...

, the mathematical process of smoothly turning a sphere inside out * ''Eversion'' (novel), a novel by

Alastair Reynolds Alastair Preston Reynolds (born 13 March 1966) is a Welsh science fiction author. He specialises in hard science fiction and space opera. Early life Reynolds was born in Wales and spent his early years in Cornwall before moving back to Wales, ...

published on 26th May 2022

See also