homoiosmotic
adjective
ho·moi·os·mot·ic
| \ ˌhō-ˌmȯi-äz-ˈmät-ik
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Medical Definition of homoiosmotic
: having a bodily osmotic regulating mechanism and body fluids that differ in osmotic pressure from the surrounding medium or from seawater
homoiosmotic animals include all the land and freshwater vertebrates
— compare poikilosmotic