S
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
T
tachy- fast
tal/o talus
tars/o tarsus;
hindfoot or ankle
tauto- identical,
same
tax/o order;
coordination
techn/o skill,
art
tel/o complete
tele/o distant
temp/o, tempor/o period
of time, the temples
ten deca-
ten/o tendon
tendin/o tendon
-tension pressure
tens/o stretched,
strained
tephr/o gray
(ashen)
terat/o monster;
malformed fetus
test/o testis
tetan/o tetanus
tetra- four
thalam/o thalamus
thalass/o sea
thanat/o death
the/o put;
place
thec/o sheath
thel/o nipple
therapeut/o treatment
-therapy treatment
therm/o heat
thorac/o chest
-thorax chest;
pleural cavity
three tri-
thromb/o clot
-tropia to
turn
thym/o thymus
gland
-thymia mind
(condition of)
-thymic pertaining
to mind
thyr/o thyroid
gland; sheild
thyroid/o thyroid
gland
tibi/o tibia
(shin bone)
-tic pertaining
to
toc/o labor;
birth
-tocia labor;
birth (condition of)
-tocin labor;
birth (a substance for)
tom/o to
cut
-tome instrument
to cut
-tomy process
of cutting
ton/o tension
tone/o to
stretch
tonsill/o tonsil
top/o place;
position; location
torso twisted
tox/o poison
toxic/o poison
trache/o trachea
(windpipe)
trans- across;
through
traumat/o trauma,
injury, wound
trem/o, tremul/o shaking,
trembling
-tresia opening
tri- three
trich/o hair
trigon/o trigone
(area within the bladder)
tri/o to
sort out, sorting
-tripsy to
crush
troph/o nourishment;
development
-trophy nourishment;
development (condition of)
-tropia to
turn
-tropic turning
-tropin stimulate;
act on
tub/o tube
tumesc/o, -tumescence swelling
tympan/o tympanic
membrane (eardrum); middle ear
-type classification;
picture
typhl/o cecum,
blindness
U
ule little; small
uln/o ulna (middle lower arm
bone)
ul/o scar, scarring
ultra- beyond; excess
-um structure; tissue;
thing
umbilic/o umbilicus (navel)
ungu/o nail
uni- one
uran/o palate
-uresis urination
ur/o urine; urinary tract
ureter/o ureter
urethr/o urethra
-uria urination; condition
of urine
uric/o urine condition
urin/o urine
-us structure; thing
uter/o uterus (womb)
uve/o uvea, vascu
V
vaccin/o vaccine
vag/o vagus
nerve
vagin/o vagina
valv/o valve
valvul/o valve
varic/o varicose
veins
vas/o vessel;
duct; vas deferens
vascul/o vessel
(blood)
ven/o vein
ven/i vein
vener/o venereal
(sexual contact)
ventil/o to
aerate, oxygenate
ventr/o belly
side of body
ventricul/o ventricle
(of heart or brain)
venul/o venule
(small vein)
verm/i worm
verruc/i wart
-verse to
turn
-version to
turn
vers/o, -verse turn,
turning
vertebr/o vertebra
(backbone)
vesic/o urinary
bladder
vesicul/o seminal
vesicle
vestibul/o vestibule
of the inner ear
vir/o virus
viscer/o internal
organs
vit/o life
vitr/o vitreous
body (of the eye)
vitre/o glass
viv/o life
-volemia blood
volume
volv/o, volut/o to
roll
vulv/o vulva
W
ward in
the direction of
-where location
e.g. anywhere
-wise direction
e.g. clockwise
with- together,
united
X
xanth/o yellow
xen/o stranger,
foreigner
xer/o dry,
dryness
xiph/o or xiphi- sword
shaped
xylo- wood
e.g. xylum
xys- file,
scrape
Y
y condition; process
yalos Glass
ydor Water
-yne ending for alkynes
yocto- prefix: one septillionth part of; the
factor 10: yoctosecond
yoeides U-shaped
-yl suffix - a monovalent hydrocarbon
radical e.g. ethyl
-ylene suffix - A bivalent organic radical
yper Above
ypo Under
ypsi High
ystera Uterus
Z
zeo- boil
zinco- Pertaining
to or containing the element zinc
zo/o animal
life
zon- girdle,
belt
zyg/o union,
junction, pair, yoke, tied together
zym/o enzyme,
ferment
-zyme enzyme
