logo

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.    

Alphabetical Listing

A  B  C  D  E  F  G  H  I 
J  K  L  M  N  O  P  Q
R  S  T  U  V  W  X  Y  Z
Also check out the medical abbreviations section
 

arrowS

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