Busy. Please wait.
Log in using Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


All prefixes

an-, a- none
brachy- short
mega-, macro- large
micro- small
olig(o)- little, small, scanty
per- excessive thorought
alba- white
chloro- green
chromo- color
cirrh- yellow
cyano- blue
erythro- red
leuko- white
melano- black
rube- red
xantho- yellow
anklyo- crooked, bent
apex- point
calyx-, calix- cup shape
eury- broad or flat
pachy- thick
platy- flat
steno- narrow, contracted
acro- extremity, tip
anti- against
circum- around
contra- opposite, against
dorso-, dorsi- back
ecto- outside, misplaced
endo- within
epi- on, over, upon
extra- outside of, in addition to, beyond
fore- before, infront
hyper- above, excessive, beyond
hypo- below, under
infra- below
inter- between parts
juxta- near
medi-, meso- middle
ob- against, in the way, opposite
para- beside, beyond
peri- around
sub- beneath
supra- above, over
trans- across, through, over, beyond
ultra- excessive, extreme
ana- up, back again
ante- before
cata-, kata- down, through
gen- beginning, orgin
meta- beyond, over, between, change or next to
nocti- night
post- after
pre- before
prim-, prot(o)- first
sym-, syn- together, union
ter(t)- third
mono-, uni- one
bi-, di- two
tri- three
quadri-, tetra- four
quint- five
sex-, ses-, hexa- six
sepa-, hepta- seven
octo-, octa-, octi- eight
nonu-, nona-, noni- nine
deca-, dec- ten
cent- one hundred
milli one thousand
ambi- both
deci- 1/10, one tenth
semi-, demi-, hemi- 1/2
diplo- double
multi- many
null(i)- no, none
pan- all
poly- many
a-, an- without, absent
ambly- different from, another, dull
andro- male
angi(o)- vessel or duct, usually a blood vessel
atel- imperfect
aut(o)- self
bacter bacteria
bi(o)- life
co-, con-, com- with
cry(o)- cold
crypto- hidden
dys- difficult
gluco-, glyco- sugar, sweet
gyn-, gyneco- female
hetero other, different
homeo-, homo- same
hydro-, hydra- water
idio- distinct, peculiar to the individual
iso- same, equal
mal- bad
neo- new, strange
non- not
norm(o)- normal
ortho- straight
oxy- sharp, acute, rapid
path(o)- disease, suffering
phage(o)- eat, consume
pseudo- false
sclero- hard
stereo- solid, firmly established, three dimensional
tachy- fast
terato- malformed, monster
therap- treatment
thermo- heat, warmth
toxic- poison
xero- dry
brady- slow
ab- away
ad- to, toward
de- to do the opposite of, remove, away
dextro- right
e- out
ex away from, out, completely
in-, im- in, inside, within, not
ir- against, into, toward
pro- forward, anterior
re- back, again
retro- behind, backward
sinister(o)- left
Created by: FMHSAHS102



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards