a- (an- before a vowel or h) - correct answer ✔prefix; not, without, lacking,
deficient
Ex: a-biogenesis, an-algesia, a-sthenia, an-hydrous, cardi-a-sthenia, an-
hidrosis
anti- (ant- before a vowel or h; hyphenated before i) - correct answer ✔prefix;
against, opposed to, preventing, relieving
Ex: anti-biotic, anti-retroviral, anti-histamine, anti-septic, anti-toxin, ant-acid
di (rarely dis-) - correct answer ✔prefix; two, twice, double
Ex: di-phonia, di-ataxia, di-plegia, dis-diaclast
dys- - correct answer ✔prefix; difficult, painful, defective, abnormal
Ex: dys-menorrhea, dys,pepsia, dys-phea,
dys-genesis, dys-ostosis, dys-trophy
ec- (ex- before a vowel) - correct answer ✔prefix; out of, away from
Ex: ec-tasis, ex-encephalia, ec-topic, ex-opthalmos
(prefix before ex- in most words is derived from latin: excrete, exhale,
extensor, exudate, & so on)
ecto- (ext- before a vowel) - correct answer ✔prefix; outside of
Ex: exto-derm, ecto-plasm, ecto-cornea, ect-ostosis
en- (em- before a vowel) - correct answer ✔prefix; in, into, within
, Ex: en-cephalitis, em-metropia, ecto-bolism,
em-physema
endo-, ento- (end-, ent- before a vowel) - correct answer ✔prefix; within
Ex: endo-genous, ento-cele, endo-metritis,
end-odontics, endo-cardium, ent-optic
epi- (ep- before a vowel or h) - correct answer ✔prefix; upon, over, or above
Ex: epi-cardium, epi-demic, epi-dermis,
ep-encephalon
exo- - correct answer ✔prefix; outside, from the outside, toward the outside
Ex: exo-cardia, exo-genous, exo-crine, exo-thermal
hemi- - correct answer ✔prefix; half, partial; (often) one side of the body
Ex: hemi-cardia, hemi-paralysis, hemi-plegia,
hemi-paralysis, hemi-gastectomy
hyper- - correct answer ✔prefix; over, above, excessive, beyond normal
Ex: hyper-hidrosis, hyper-lipemia, hyper-glycemia,
hyper-parathyroidism
hypo- (hyp- before a vowel or h) - correct answer ✔prefix; under, deficient,
below normal
Ex: hypo-chondria, hyp-algesia, hypo-dermic,
hyp-acousia