myel/o
spinal cord, bone marrow
kerat/o
hard, cornea
hidr/o
sweat
kal/i
potassium
cortic/o
cortex (outer region)
ot/o
ear
pharmac/o
drug
ungu/o
nail
xer/o
dry
son/o
sound
ichthy/o
dry, scaly
cutane/o
skin
phren/o
diaphragm
myring/o
tympanic membrane
melan/o
black
natr/o
sodium
calc/o
calcium
iatr/o
physician, treatment
exo-
out, away from
sub-
below, under
-lucent
to shine
-cusis
hearing
-mania
obsessive preoccupation
adduction
movement towards the midline of the body