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Medical Prefixes

Prefixes found in medical terms

TermDefinitionExamples
a-, an- without or absence of analgesic, anencephaly
ab- from or away abduction, abdomen
ad- to or towards adduction
ana- up anaplasia
ante- before antepartum
anti- against antibody, antipsychotic
append- to hang something appendix
bi-, bin- two binary vision
brady- slow bradycardia, bradyzoite
contra- against; opposite contralateral, contraceptive
di- two diplopia, dimer, diploid
dis- to undo; free from dissection, discharge, disinfectant
ecto-, exo-, extra- outside ectoblast, exoskeleton, extradural hematoma
endo- within endoskeleton, endoscopy, endometrium
epi- upon epithelium
erythr- red erthyrocyte
glyc- sweet glycemia, glycolysis
hyper- above hypertension, hypertrichosis
hypo- below hypovolemia, hypoxia
im- not imbalance, immobile
infra- under; below infracolic
inter- between interarticular ligament
intra- inside intracranial, intracellular
iso- equal isotonic
macro- large macrocephaly, macrocytosis
mal- bad malnutrition, malpractice
meso- middle mesoderm, mesometrium
meta- after metacarpal, metamorphosis
micro- small microscope, microangiopathy
mono- one monotherapy, monocular
multi- many multicellular
mut- chance mutation
neo- new neonatal, neoplasia
para- beside parathyroid, paranasal
patho- disease pathology
peri- surrounding periodontal
poly- many polyphagia
post- after postmortem
pre- before premature birth
pseudo- false pseudocyst, pseudoaneurysm
re- back relapse
retro- back or behind retropharyngeal, retroflexion
semi- half semiconscious
sub- under or below subcutaneous tissue
super- over or above superciliary
syn- together or joined synesthesia
tachy- fast tachycardia, tachypnea
tetra- four tetrameric, tetraplegia, tetrahydrocannabinol
trans- through, across, beyond transfusion
tri- three triceps, trisomy
ultra- beyond; excess ultrasound, ultraviolet
uni- one unilateral hearing loss, unilateral paralysis
Created by: badely
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