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Medical TERMINOLOGY   -   A thru Z

Prefixes, roots, suffixes  [ S ]

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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Also check out the medical abbreviations section
 

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Term
arrow   Meaning
sacchar/o arrow   sugar
sacr/o arrow   sacrum
salping/o arrow   fallopian tube; auditory (eustachian) tube 
-salpinx arrow   fallopian tube; oviduct 
sangu/i arrow   blood 
sanit/a arrow   health 
sapr/o arrow   rotten, decay 
sarc/o arrow   flesh (connective tissue) 
scapul/o arrow   scapula; shoulder blade 
-schisis arrow   to split 
schist/o arrow   split, cleft
schiz/o arrow   split
sinistr/o arrow   left
scint/i arrow   spark
scirrh/o arrow   hard
scler/o arrow   sclera (white of eye) 
-sclerosis arrow   hardening
scolec/o arrow   worm 
scoli/o arrow   crooked; bent 
-scope arrow   instrument for visual examination 
-scopy arrow   visual examination 
scot/o arrow   darkness
seb/o arrow   sebum
sebace/o arrow   sebum
sect/o arrow   to cut 
semi- arrow   half
semin/i arrow   semen; seed 
-sepsis arrow   putrefaction
seps/o arrow   infection
sept/o arrow   partition
ser/o arrow   serum, serous
seven arrow   hepta-, sept-, septi-
sial/o arrow   saliva
sialaden/o arrow   salivary gland 
sider/o arrow   iron
sigmoid/o arrow   sigmoid colon 
silic/o arrow   glass
sinus/o arrow   sinus
-sis arrow   state of; condition 
sit/o arrow   food
six arrow   hex-, hexa-, sex-
skelet/o arrow   skeleton
-sol arrow   solution
somat/o arrow   body
-some arrow   body
somn/o arrow   sleep
-somnia arrow   sleep
son/o arrow   sound
-spadia arrow   to tear; cut 
span/o arrow   scanty, scarce 
-spasm arrow   sudden contraction of muscles 
spectr/o arrow   image, spectrum 
sperm/o arrow   spermatozoa; sperm cells 
spermat/o arrow   spermatozoa; sperm cells 
sphen/o arrow   wedge; sphenoid bone 
spher/o arrow   globe-shaped; round 
sphygm/o arrow   pulse
-sphyxia arrow   pulse
splanchn/o arrow   viscera (internal organs) 
spin/o arrow   spine (backbone) 
spir/o arrow   to breathe 
splen/o arrow   spleen
spondyl/o arrow   vertebra (backbone) 
squam/o arrow   scale
-stalsis arrow   contraction
staped/o arrow   stapes (middle ear bone) 
staphyl/o arrow   clusters; uvula 
-stabile arrow   stable, fixed 
-stalsis arrow   contraction 
staped/o arrow   stapes 
-stasis arrow   to stop; control; place 
-stat arrow   device/instrument for keeping something stationary 
-static arrow   pertaining to stopping; controlling 
steat/o arrow   fat; sebum 
sten/o arrow   narrowed, constricted 
-stenosis arrow   tightening; stricture 
ster/o arrow   solid structure; steroid 
stere/o arrow   solid; three-dimensional 
stern/o arrow   sternum (breastbone) 
steth/o arrow   chest
-sthenia arrow   strength
stich/o arrow   rows 
stigmat/o arrow   mark, point 
-stitial arrow   to set; pertaining to standing or positioned 
stomat/o arrow   mouth
-stomia arrow   condition of the mouth 
-stomy arrow   new opening (to form a mouth)
strept/o arrow   twisted chains 
-stroma arrow   supporting tissue of an organ 
styl/o arrow   pole or stake 
sub- arrow   under; below
submaxill/o arrow   mandible (lower jaw bone) 
succ/o arrow   juice 
sud/o arrow   sweat 
super- arrow   above, beyond 
-suppression arrow   to stop 
supra- arrow   above; upper 
sym- arrow   together; with 
symptom/o arrow   occurrence 
syn- arrow   together; with 
synaps/o, synapt/o arrow   point of contact, to join 
syncop/o arrow   to cut off, cut short; faint 
syndesm/o arrow   ligament
synov/o arrow   synovia; synovial membrane; sheath around a tendon
syring/o arrow   tube
system/o arrow   system
systol/o arrow   contraction
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Medical Calculators - A thru Z
Lab Values - A thru Z