<Tr> <Td> - dynia </Td> <Td> pain </Td> <Td> </Td> <Td> Vulvodynia </Td> </Tr> <Tr> <Td> dys - </Td> <Td> bad, difficult, defective, abnormal </Td> <Td> Greek δυσ - (dus -) </Td> <Td> dysentery, dysphagia, dysphasia </Td> </Tr> <Table> <Tr> <Th> Affix </Th> <Th> Meaning </Th> <Th> Origin language and etymology </Th> <Th> Example (s) </Th> </Tr> <Tr> <Td> - eal </Td> <Td> pertaining to </Td> <Td> Latin </Td> <Td> adenohypophyseal, corneal, esophageal, perineal </Td> </Tr> <Tr> <Td> ec - </Td> <Td> out, away </Td> <Td> Greek ἐκ - (ek -) </Td> <Td> Ectopia, ectopic pregnancy </Td> </Tr> <Tr> <Td> ect (o) - </Td> <Td> outer, outside </Td> <Td> Greek ἐκτός (ektós) </Td> <Td> Ectoblast, ectoderm </Td> </Tr> <Tr> <Td> - ectasia, - ectasis </Td> <Td> expansion, dilation </Td> <Td> Ancient Greek ἔκτασις (éktasis) </Td> <Td> Bronchiectasis, telangiectasia </Td> </Tr> <Tr> <Td> - ectomy </Td> <Td> Denotes a surgical operation or removal of a body part . Resection, excision </Td> <Td> Ancient Greek ἐκτομή (ektomḗ), excision </Td> <Td> Mastectomy </Td> </Tr> <Tr> <Td> - emesis </Td> <Td> vomiting condition </Td> <Td> Greek ἕμεσις (émesis) </Td> <Td> Hematemesis </Td> </Tr> <Tr> <Td> - emia </Td> <Td> blood condition (Am Engl) </Td> <Td> Ancient Greek αἷμα, blood </Td> <Td> Anemia </Td> </Tr> <Tr> <Td> encephal (o) - </Td> <Td> Of or pertaining to the brain . Also see Cerebro . </Td> <Td> Ancient Greek ἐγκέφαλος (enképhalos), the brain </Td> <Td> Encephalogram </Td> </Tr> <Tr> <Td> endo - </Td> <Td> Denotes something as' inside' or' within' </Td> <Td> ἐνδο - (endo -), inside, internal </Td> <Td> Endocrinology, endospore </Td> </Tr> <Tr> <Td> eosin (o) - </Td> <Td> Red </Td> <Td> Ancient Greek Eos, the Greek word for' dawn' and the name of the Greek goddess of the dawn . </Td> <Td> Eosinophil granulocyte </Td> </Tr> <Tr> <Td> enter (o) - </Td> <Td> Of or pertaining to the intestine </Td> <Td> Ancient Greek ἔντερον (énteron), intestine </Td> <Td> Gastroenterology </Td> </Tr> <Tr> <Td> epi - </Td> <Td> on, upon </Td> <Td> Ancient Greek ἐπι - (epi -), before, upon, on, outside, outside of </Td> <Td> Epicardium, epidermis, epidural, episclera, epistaxis </Td> </Tr> <Tr> <Td> episi (o) - </Td> <Td> Of or pertaining to the pubic region, the loins </Td> <Td> Ancient Greek ἐπίσιον - (epísion), the pubic area, loins; vulva </Td> <Td> Episiotomy </Td> </Tr> <Tr> <Td> erythr (o) - </Td> <Td> Denotes a red color </Td> <Td> Ancient Greek ἐρυθρός (erythrós), red </Td> <Td> Erythrocyte </Td> </Tr> <Tr> <Td> - esophageal, - esophago - </Td> <Td> gullet (AmE) </Td> <Td> Greek οἰσοφάγος (oisophágos) </Td> <Td> Esophagus </Td> </Tr> <Tr> <Td> esthesio - </Td> <Td> sensation (AmE) </Td> <Td> Greek αἴσθησις (aisthēsis) </Td> <Td> Esthesioneuroblastoma, esthesia </Td> </Tr> <Tr> <Td> eu - </Td> <Td> true, good, well, new </Td> <Td> εὖ (eû) </Td> <Td> Eukaryote </Td> </Tr> <Tr> <Td> ex - </Td> <Td> out of, away from </Td> <Td> Latin </Td> <Td> Excision </Td> </Tr> <Tr> <Td> exo - </Td> <Td> Denotes something as' outside' another </Td> <Td> Ancient Greek ἐξω - (exo -), outside of, external </Td> <Td> Exophthalmos, exoskeleton </Td> </Tr> <Tr> <Td> extra - </Td> <Td> outside </Td> <Td> Latin </Td> <Td> Extradural hematoma </Td> </Tr> </Table> <Tr> <Th> Affix </Th> <Th> Meaning </Th> <Th> Origin language and etymology </Th> <Th> Example (s) </Th> </Tr>

What does the prefix eu mean in medical terminology
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