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. 
: central part of a word.     
:  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


Note: double mouse click to return to the top of the page  |   << | >>
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