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medical terminology 

Medical TERMINOLOGY   -   A thru Z

Prefixes, roots, suffixes

Prefix: A prefix is placed at the beginning of a word to modify or change its meaning. Pre means "before." Prefixes may also indicate a location, number, or time.    Root: central part of a word.   Suffix:  The ending part of a word that modifies the meaning of the word. Example: homeless. Root = 'home' and the suffix is 'less'. It can also refer to a condition, disease, disorder, or procedure.
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A
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Term
Meaning
a- no; not; without
an- no; not; without
ab- away from
abdomin/o abdomen
-ac pertaining to
acanth/o spiny; thorny
acar/o mites
acetabul/o acetabulum (hip socket)
acous/o hearing
acoust/o hearing, sound
acr/o extremeties; top; extreme point
acromi/o acromion (extension of shoulder bone)
actin/o light
acu/o sharp; severe; sudden
-acusis hearing
ad- toward
-ad toward
aden/o gland
adenoid/o adenoids
adip/o fat
adren/o adrenal gland
adrenal/o adrenal gland
aer/o air
af- toward
agglutin/o clumping; sticking together
-agogue producer, leader
-agon to assemble; gather
agora- marketplace
-agra excessive pain
-al pertaining to
alb/o white
albin/o white
albumin/o albumin (protein)
alges/o sensitivity to pain
-algesia sensitivity to pain
-algia pain
all/o other
alveol/o alveolus; air sac; small sac
ambi- around, on both sides, about
ambly/o dim; dul
amphi- around, on both sides
-amine nitrogen compound
ammon/o ammonium
amni/o amnion (ssac surrounding the embryo)
amyl/o startch
an/o anus
-an pertaining to
ana- up; apart; backward; again; anew
andr/o male
aneurysm/o aneurysm (widening of blood vessel)
angi/o vessel (blood)
anis/o unequal
ankyl/o stiff
ante- before; forward
anter/o front
anthrac/o coal
anthr/o antrum of the stomach
anti- against
anxi/o uneasy; anxious
aort/o aorta (largest artery)
-apheresis removal
aphth/o ulcer
apo- off; away
aponeur/o aponeurosis (type of tendon)
append/o appendix
appendic/o appendix
aque/o water
-ar pertaining to
arachn/o spider
-arche beginning
arsenic/o arsenic
arter/o artery
arteri/o artery
arteriol/o arteriole (small artery)
arthr/o joint
-arthria articulate (speak distinctly)
articul/o joint
-artresia closure, occlusion
atreto- closed, lacking an opening
-ary pertaining to
asbest/o asbestos
-ase enzyme
aspir/o removal
-assay to examine, analyze
-asthenia lack of strength
astr/o star, star-shaped
aque/o water
atel/o incomplete
ather/o plaque (fatty substance)
-ation process; condition
atri/o atrium (upper heart chamber)
atmo- steam, vapor
audi/o hearing
audit/o hearing
aur/o ear
auricul/o ear
auscult/o to listen
aut/o self; own
aut- self; own
auto- self; own
aux/o growth, acceleration
axill/o armpit
axi/o axis
azot/o urea; nitrogen
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