Capable of being evaginated; able to be turned outward or inverted, especially in biological or medical contexts.
From Latin 'evagina' (e- out + vagina sheath/covering) plus -able. The medical term describes tissue or organs that can be turned inside-out or extended outward.
The tubeworm—a creature that lives near hydrothermal vents on the ocean floor—has an evaginable crown it uses to filter nutrients from boiling water, one of nature's strangest feeding mechanisms.
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