Prefix
Suffix
Roots
Medical Directions
Medical Abbreviations
100
iso-
similar, same
100
-ectomy
surgical removal
100
mamma/mammo
breasts
100
cranial
head
100
qd
everyday
200
ep- , epi-
on top
200
-pnea
breathing
200
ophthalmo
eyes
200
posterior
back
200
bid
twice a day
300
brady-
slow, dull
300
-penia
specified deficiency
300
ot
ears
300
ventral
front
300
ECG
electrocardiogram
400
dys-
ill, bad, impared
400
-tomy
surgical incision
400
copro
feces
400
proximal
close to
400
Dx
diagnosis
500
hypo-
low, below normal
500
-megaly
englargement
500
entero
intestines
500
medial
towards the middle
500
Sx
surgery
M
e
n
u